RESTART_ON_UPGRADE incorrectly named ES_RESTART_ON_UPGRADE in sysconfig (#19976)
RESTART_ON_UPGRADE incorrectly named ES_RESTART_ON_UPGRADE in sysconfig (#19976)

Closes #19950
gingerwizard/elasticsearch,gmarz/elasticsearch,bawse/elasticsearch,jprante/elasticsearch,LewayneNaidoo/elasticsearch,alexshadow007/elasticsearch,ThiagoGarciaAlves/elasticsearch,liweinan0423/elasticsearch,MisterAndersen/elasticsearch,Shepard1212/elasticsearch,lks21c/elasticsearch,nezirus/elasticsearch,JackyMai/elasticsearch,vroyer/elasticassandra,fred84/elasticsearch,jimczi/elasticsearch,pozhidaevak/elasticsearch,LeoYao/elasticsearch,elasticdog/elasticsearch,umeshdangat/elasticsearch,mikemccand/elasticsearch,gingerwizard/elasticsearch,liweinan0423/elasticsearch,fernandozhu/elasticsearch,i-am-Nathan/elasticsearch,nknize/elasticsearch,uschindler/elasticsearch,nilabhsagar/elasticsearch,kalimatas/elasticsearch,mohit/elasticsearch,strapdata/elassandra,henakamaMSFT/elasticsearch,spiegela/elasticsearch,mjason3/elasticsearch,C-Bish/elasticsearch,Stacey-Gammon/elasticsearch,lks21c/elasticsearch,strapdata/elassandra5-rc,wangtuo/elasticsearch,strapdata/elassandra,jprante/elasticsearch,ricardocerq/elasticsearch,alexshadow007/elasticsearch,robin13/elasticsearch,yanjunh/elasticsearch,masaruh/elasticsearch,rajanm/elasticsearch,jimczi/elasticsearch,jimczi/elasticsearch,i-am-Nathan/elasticsearch,a2lin/elasticsearch,MaineC/elasticsearch,umeshdangat/elasticsearch,rlugojr/elasticsearch,shreejay/elasticsearch,geidies/elasticsearch,brandonkearby/elasticsearch,naveenhooda2000/elasticsearch,kalimatas/elasticsearch,zkidkid/elasticsearch,winstonewert/elasticsearch,MisterAndersen/elasticsearch,gingerwizard/elasticsearch,liweinan0423/elasticsearch,HonzaKral/elasticsearch,qwerty4030/elasticsearch,wenpos/elasticsearch,wuranbo/elasticsearch,JackyMai/elasticsearch,dongjoon-hyun/elasticsearch,scottsom/elasticsearch,mikemccand/elasticsearch,rlugojr/elasticsearch,JSCooke/elasticsearch,nezirus/elasticsearch,nilabhsagar/elasticsearch,scottsom/elasticsearch,markwalkom/elasticsearch,scottsom/elasticsearch,s1monw/elasticsearch,StefanGor/elasticsearch,LewayneNaidoo/elasticsearch,henakamaMSFT/elasticsearch,obourgain/elasticsearch,qwerty4030/elasticsearch,rlugojr/elasticsearch,IanvsPoplicola/elasticsearch,HonzaKral/elasticsearch,glefloch/elasticsearch,robin13/elasticsearch,mjason3/elasticsearch,gmarz/elasticsearch,fforbeck/elasticsearch,markwalkom/elasticsearch,gfyoung/elasticsearch,maddin2016/elasticsearch,s1monw/elasticsearch,awislowski/elasticsearch,qwerty4030/elasticsearch,uschindler/elasticsearch,bawse/elasticsearch,nknize/elasticsearch,LeoYao/elasticsearch,JervyShi/elasticsearch,fred84/elasticsearch,alexshadow007/elasticsearch,ZTE-PaaS/elasticsearch,robin13/elasticsearch,MaineC/elasticsearch,nilabhsagar/elasticsearch,naveenhooda2000/elasticsearch,Shepard1212/elasticsearch,winstonewert/elasticsearch,MaineC/elasticsearch,JervyShi/elasticsearch,bawse/elasticsearch,obourgain/elasticsearch,JervyShi/elasticsearch,zkidkid/elasticsearch,mohit/elasticsearch,coding0011/elasticsearch,obourgain/elasticsearch,i-am-Nathan/elasticsearch,markwalkom/elasticsearch,Helen-Zhao/elasticsearch,mohit/elasticsearch,mortonsykes/elasticsearch,nezirus/elasticsearch,Helen-Zhao/elasticsearch,brandonkearby/elasticsearch,ZTE-PaaS/elasticsearch,fforbeck/elasticsearch,fernandozhu/elasticsearch,Helen-Zhao/elasticsearch,brandonkearby/elasticsearch,wangtuo/elasticsearch,MaineC/elasticsearch,MisterAndersen/elasticsearch,bawse/elasticsearch,dongjoon-hyun/elasticsearch,JackyMai/elasticsearch,glefloch/elasticsearch,a2lin/elasticsearch,Shepard1212/elasticsearch,wenpos/elasticsearch,coding0011/elasticsearch,mjason3/elasticsearch,vroyer/elassandra,shreejay/elasticsearch,girirajsharma/elasticsearch,fforbeck/elasticsearch,kalimatas/elasticsearch,vroyer/elasticassandra,nazarewk/elasticsearch,gmarz/elasticsearch,glefloch/elasticsearch,girirajsharma/elasticsearch,henakamaMSFT/elasticsearch,elasticdog/elasticsearch,LewayneNaidoo/elasticsearch,geidies/elasticsearch,nazarewk/elasticsearch,scorpionvicky/elasticsearch,njlawton/elasticsearch,rajanm/elasticsearch,obourgain/elasticsearch,sneivandt/elasticsearch,mortonsykes/elasticsearch,rlugojr/elasticsearch,spiegela/elasticsearch,ZTE-PaaS/elasticsearch,coding0011/elasticsearch,nezirus/elasticsearch,MisterAndersen/elasticsearch,liweinan0423/elasticsearch,dongjoon-hyun/elasticsearch,wenpos/elasticsearch,HonzaKral/elasticsearch,Helen-Zhao/elasticsearch,gmarz/elasticsearch,strapdata/elassandra,markwalkom/elasticsearch,nknize/elasticsearch,IanvsPoplicola/elasticsearch,wenpos/elasticsearch,ricardocerq/elasticsearch,IanvsPoplicola/elasticsearch,artnowo/elasticsearch,umeshdangat/elasticsearch,zkidkid/elasticsearch,artnowo/elasticsearch,naveenhooda2000/elasticsearch,maddin2016/elasticsearch,yanjunh/elasticsearch,njlawton/elasticsearch,maddin2016/elasticsearch,gingerwizard/elasticsearch,LeoYao/elasticsearch,scorpionvicky/elasticsearch,a2lin/elasticsearch,gfyoung/elasticsearch,geidies/elasticsearch,rajanm/elasticsearch,pozhidaevak/elasticsearch,GlenRSmith/elasticsearch,IanvsPoplicola/elasticsearch,shreejay/elasticsearch,robin13/elasticsearch,fernandozhu/elasticsearch,sneivandt/elasticsearch,Stacey-Gammon/elasticsearch,strapdata/elassandra5-rc,sneivandt/elasticsearch,nazarewk/elasticsearch,wuranbo/elasticsearch,i-am-Nathan/elasticsearch,henakamaMSFT/elasticsearch,artnowo/elasticsearch,ZTE-PaaS/elasticsearch,mortonsykes/elasticsearch,LeoYao/elasticsearch,rlugojr/elasticsearch,scorpionvicky/elasticsearch,masaruh/elasticsearch,MaineC/elasticsearch,LeoYao/elasticsearch,coding0011/elasticsearch,geidies/elasticsearch,JackyMai/elasticsearch,JSCooke/elasticsearch,glefloch/elasticsearch,jimczi/elasticsearch,lks21c/elasticsearch,LeoYao/elasticsearch,a2lin/elasticsearch,dongjoon-hyun/elasticsearch,awislowski/elasticsearch,masaruh/elasticsearch,zkidkid/elasticsearch,Stacey-Gammon/elasticsearch,ThiagoGarciaAlves/elasticsearch,girirajsharma/elasticsearch,a2lin/elasticsearch,robin13/elasticsearch,mjason3/elasticsearch,s1monw/elasticsearch,StefanGor/elasticsearch,gfyoung/elasticsearch,scottsom/elasticsearch,winstonewert/elasticsearch,ricardocerq/elasticsearch,StefanGor/elasticsearch,gfyoung/elasticsearch,ThiagoGarciaAlves/elasticsearch,geidies/elasticsearch,JackyMai/elasticsearch,JSCooke/elasticsearch,mortonsykes/elasticsearch,rajanm/elasticsearch,fred84/elasticsearch,qwerty4030/elasticsearch,alexshadow007/elasticsearch,jimczi/elasticsearch,LewayneNaidoo/elasticsearch,winstonewert/elasticsearch,pozhidaevak/elasticsearch,glefloch/elasticsearch,strapdata/elassandra5-rc,jprante/elasticsearch,mikemccand/elasticsearch,Shepard1212/elasticsearch,JSCooke/elasticsearch,girirajsharma/elasticsearch,i-am-Nathan/elasticsearch,JSCooke/elasticsearch,gfyoung/elasticsearch,umeshdangat/elasticsearch,LeoYao/elasticsearch,pozhidaevak/elasticsearch,spiegela/elasticsearch,coding0011/elasticsearch,mikemccand/elasticsearch,ThiagoGarciaAlves/elasticsearch,strapdata/elassandra,GlenRSmith/elasticsearch,scorpionvicky/elasticsearch,spiegela/elasticsearch,naveenhooda2000/elasticsearch,uschindler/elasticsearch,pozhidaevak/elasticsearch,ricardocerq/elasticsearch,alexshadow007/elasticsearch,kalimatas/elasticsearch,ricardocerq/elasticsearch,C-Bish/elasticsearch,scottsom/elasticsearch,nknize/elasticsearch,s1monw/elasticsearch,naveenhooda2000/elasticsearch,nilabhsagar/elasticsearch,umeshdangat/elasticsearch,girirajsharma/elasticsearch,markwalkom/elasticsearch,gingerwizard/elasticsearch,mohit/elasticsearch,winstonewert/elasticsearch,mjason3/elasticsearch,wuranbo/elasticsearch,GlenRSmith/elasticsearch,ThiagoGarciaAlves/elasticsearch,mikemccand/elasticsearch,ThiagoGarciaAlves/elasticsearch,fernandozhu/elasticsearch,uschindler/elasticsearch,shreejay/elasticsearch,gmarz/elasticsearch,GlenRSmith/elasticsearch,wangtuo/elasticsearch,kalimatas/elasticsearch,vroyer/elasticassandra,JervyShi/elasticsearch,vroyer/elassandra,awislowski/elasticsearch,mohit/elasticsearch,elasticdog/elasticsearch,Helen-Zhao/elasticsearch,GlenRSmith/elasticsearch,HonzaKral/elasticsearch,JervyShi/elasticsearch,Stacey-Gammon/elasticsearch,rajanm/elasticsearch,fernandozhu/elasticsearch,markwalkom/elasticsearch,strapdata/elassandra,njlawton/elasticsearch,masaruh/elasticsearch,wuranbo/elasticsearch,elasticdog/elasticsearch,strapdata/elassandra5-rc,jprante/elasticsearch,awislowski/elasticsearch,wuranbo/elasticsearch,awislowski/elasticsearch,JervyShi/elasticsearch,IanvsPoplicola/elasticsearch,nilabhsagar/elasticsearch,ZTE-PaaS/elasticsearch,wangtuo/elasticsearch,liweinan0423/elasticsearch,gingerwizard/elasticsearch,rajanm/elasticsearch,maddin2016/elasticsearch,scorpionvicky/elasticsearch,Stacey-Gammon/elasticsearch,fred84/elasticsearch,sneivandt/elasticsearch,bawse/elasticsearch,artnowo/elasticsearch,obourgain/elasticsearch,Shepard1212/elasticsearch,njlawton/elasticsearch,wangtuo/elasticsearch,brandonkearby/elasticsearch,qwerty4030/elasticsearch,dongjoon-hyun/elasticsearch,C-Bish/elasticsearch,C-Bish/elasticsearch,strapdata/elassandra5-rc,sneivandt/elasticsearch,MisterAndersen/elasticsearch,girirajsharma/elasticsearch,yanjunh/elasticsearch,nezirus/elasticsearch,s1monw/elasticsearch,StefanGor/elasticsearch,brandonkearby/elasticsearch,nknize/elasticsearch,uschindler/elasticsearch,gingerwizard/elasticsearch,wenpos/elasticsearch,fred84/elasticsearch,fforbeck/elasticsearch,njlawton/elasticsearch,elasticdog/elasticsearch,C-Bish/elasticsearch,yanjunh/elasticsearch,zkidkid/elasticsearch,henakamaMSFT/elasticsearch,masaruh/elasticsearch,nazarewk/elasticsearch,fforbeck/elasticsearch,jprante/elasticsearch,StefanGor/elasticsearch,shreejay/elasticsearch,maddin2016/elasticsearch,yanjunh/elasticsearch,artnowo/elasticsearch,nazarewk/elasticsearch,spiegela/elasticsearch,lks21c/elasticsearch,geidies/elasticsearch,lks21c/elasticsearch,vroyer/elassandra,mortonsykes/elasticsearch,LewayneNaidoo/elasticsearch