Load the default namespace instead of root when loading AA
Load the default namespace instead of root when loading AA

Fixes gregbell/active_admin#2049

mwlang/active_admin,yeti-switch/active_admin,hiroponz/activeadmin,jethroo/activeadmin,iuriandreazza/activeadmin,temochka-test/activeadmin,alonerage/activeadmin,mynksngh/activeadmin,senid231/activeadmin,ishumilova/activeadmin,deivid-rodriguez/activeadmin,Amandeepsinghghai/activeadmin,whatcould/active_admin,jclay/active_admin,Andrekra/activeadmin,tf/activeadmin,iguchi1124/activeadmin,gogovan/activeadmin,buren/activeadmin,gogovan/activeadmin,krautcomputing/activeadmin,mohitnatoo/activeadmin,siutin/activeadmin,strivedi183/activeadmin,MohamedHegab/activeadmin,mediebruket/activeadmin,chdem/activeadmin,Davidzhu001/activeadmin,bolshakov/activeadmin,vraravam/activeadmin,seanski/activeadmin,wspurgin/activeadmin,Ryohu/activeadmin,mrjman/activeadmin,seanski/activeadmin,keichan34/active_admin,yeti-switch/active_admin,yeti-switch/active_admin,senid231/activeadmin,iuriandreazza/activeadmin,sanyaade-iot/activeadmin,Ryohu/activeadmin,Skulli/activeadmin,rtrepo/activeadmin,Ibotta/activeadmin,halilim/activeadmin,buren/activeadmin,artofhuman/activeadmin,dhartoto/activeadmin,strivedi183/activeadmin,scarver2/activeadmin,mwlang/active_admin,bcavileer/activeadmin,Davidzhu001/activeadmin,MohamedHegab/activeadmin,iuriandreazza/activeadmin,dannyshafer/activeadmin,rtrepo/activeadmin,javierjulio/activeadmin,halilim/activeadmin,zfben/activeadmin,MohamedHegab/activeadmin,Andrekra/activeadmin,samvincent/active_admin,saiqulhaq/activeadmin,artofhuman/activeadmin,maysam/activeadmin,mohitnatoo/activeadmin,sharma1nitish/activeadmin,bloomrain/activeadmin,SoftSwiss/active_admin,SoftSwiss/active_admin,varyonic/activeadmin,Ibotta/activeadmin,rubixware/activeadmin,danielevans/activeadmin,totzyuta/activeadmin,applexiaohao/activeadmin,bolshakov/activeadmin,JeffreyATW/activeadmin,zfben/activeadmin,JeffreyATW/activeadmin,senid231/activeadmin,sharma1nitish/activeadmin,Skulli/activeadmin,mohitnatoo/activeadmin,h2ocube/active_admin,mateusg/active_admin,keichan34/active_admin,Some1Else/activeadmin,siutin/activeadmin,iuriandreazza/activeadmin,jethroo/activeadmin,getkiwicom/activeadmin,buren/activeadmin,samvincent/active_admin,tf/activeadmin,halilim/activeadmin,whatcould/active_admin,whatcould/active_admin,hobbes37/activeadmin,bloomrain/activeadmin,yijiasu/activeadmin,krautcomputing/activeadmin,h2ocube/active_admin,bloomrain/activeadmin,activeadmin/activeadmin,maysam/activeadmin,vraravam/activeadmin,Amandeepsinghghai/activeadmin,quikly/active_admin,Ibotta/activeadmin,wspurgin/activeadmin,totzyuta/activeadmin,JeffreyATW/activeadmin,chrisseldo/activeadmin,alonerage/activeadmin,presskey/activeadmin,cmunozgar/activeadmin,davydovanton/activeadmin,activeadmin/activeadmin,shishir127/activeadmin,cmunozgar/activeadmin,h2ocube/active_admin,beyondthestory/activeadmin,hobbes37/activeadmin,presskey/activeadmin,seanski/activeadmin,saveav/activeadmin,dannyshafer/activeadmin,rubixware/activeadmin,shishir127/activeadmin,applexiaohao/activeadmin,wspurgin/activeadmin,adibsaad/activeadmin,mediebruket/activeadmin,davydovanton/activeadmin,getkiwicom/activeadmin,ishumilova/activeadmin,danielevans/activeadmin,Pollywog23/activeadmin,dalegregory/activeadmin,siutin/activeadmin,ampinog/activeadmin,mauriciopasquier/active_admin,tjgrathwell/activeadmin,scarver2/activeadmin,vraravam/activeadmin,lampo/activeadmin,hobbes37/activeadmin,westonplatter/activeadmin,chrisseldo/activeadmin,Amandeepsinghghai/activeadmin,Some1Else/activeadmin,varyonic/activeadmin,FundingGates/activeadmin,jclay/active_admin,hyperoslo/activeadmin,adibsaad/activeadmin,mauriciopasquier/active_admin,iuriandreazza/activeadmin,danielevans/activeadmin,iguchi1124/activeadmin,saveav/activeadmin,mynksngh/activeadmin,adibsaad/activeadmin,strivedi183/activeadmin,alonerage/activeadmin,waymondo/active_admin,ampinog/activeadmin,rubixware/activeadmin,dalegregory/activeadmin,chdem/activeadmin,westonplatter/activeadmin,activeadmin/activeadmin,waymondo/active_admin,vytenis-s/activeadmin,deivid-rodriguez/activeadmin,Pollywog23/activeadmin,varyonic/activeadmin,mateusg/active_admin,saiqulhaq/activeadmin,timoschilling/activeadmin,tf/activeadmin,mauriciopasquier/active_admin,saiqulhaq/activeadmin,dalegregory/activeadmin,Davidzhu001/activeadmin,yijiasu/activeadmin,javierjulio/activeadmin,hyperoslo/activeadmin,iuriandreazza/activeadmin,mwlang/active_admin,sanyaade-iot/activeadmin,dannyshafer/activeadmin,keichan34/active_admin,javierjulio/activeadmin,samvincent/active_admin,getkiwicom/activeadmin,krautcomputing/activeadmin,vytenis-s/activeadmin,mrjman/activeadmin,thomascarterx/activeadmin,gogovan/activeadmin,FundingGates/activeadmin,jethroo/activeadmin,mediebruket/activeadmin,deivid-rodriguez/activeadmin,waymondo/active_admin,chrisseldo/activeadmin,cmunozgar/activeadmin,dhartoto/activeadmin,thomascarterx/activeadmin,SoftSwiss/active_admin,jclay/active_admin,lampo/activeadmin,maysam/activeadmin,vytenis-s/activeadmin,rtrepo/activeadmin,westonplatter/activeadmin,mynksngh/activeadmin,Pollywog23/activeadmin,tjgrathwell/activeadmin,scarver2/activeadm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