Make sure first_published_at is using live copy
Make sure first_published_at is using live copy

When publishing, the first_published at gets set on the live copy, not in the revision.

This caused it to be set again on next publish because it is reading from the revision.

davecranwell/wagtail,darith27/wagtail,kurtw/wagtail,hamsterbacke23/wagtail,darith27/wagtail,chrxr/wagtail,KimGlazebrook/wagtail-experiment,hanpama/wagtail,JoshBarr/wagtail,gogobook/wagtail,iansprice/wagtail,serzans/wagtail,kurtrwall/wagtail,jnns/wagtail,kurtrwall/wagtail,rv816/wagtail,Klaudit/wagtail,marctc/wagtail,tangentlabs/wagtail,stevenewey/wagtail,darith27/wagtail,kurtrwall/wagtail,mephizzle/wagtail,chrxr/wagtail,quru/wagtail,FlipperPA/wagtail,inonit/wagtail,hamsterbacke23/wagtail,nrsimha/wagtail,mikedingjan/wagtail,gasman/wagtail,Pennebaker/wagtail,mephizzle/wagtail,WQuanfeng/wagtail,nrsimha/wagtail,Tivix/wagtail,KimGlazebrook/wagtail-experiment,thenewguy/wagtail,rsalmaso/wagtail,timorieber/wagtail,takeshineshiro/wagtail,kaedroho/wagtail,wagtail/wagtail,hanpama/wagtail,timorieber/wagtail,mixxorz/wagtail,Tivix/wagtail,gasman/wagtail,jorge-marques/wagtail,serzans/wagtail,jnns/wagtail,mephizzle/wagtail,kaedroho/wagtail,stevenewey/wagtail,jorge-marques/wagtail,torchbox/wagtail,jordij/wagtail,janusnic/wagtail,nilnvoid/wagtail,jorge-marques/wagtail,Klaudit/wagtail,jordij/wagtail,stevenewey/wagtail,Toshakins/wagtail,rv816/wagtail,thenewguy/wagtail,bjesus/wagtail,taedori81/wagtail,rv816/wagtail,bjesus/wagtail,quru/wagtail,takeflight/wagtail,m-sanders/wagtail,mixxorz/wagtail,gasman/wagtail,WQuanfeng/wagtail,nilnvoid/wagtail,Klaudit/wagtail,Pennebaker/wagtail,iho/wagtail,tangentlabs/wagtail,nilnvoid/wagtail,torchbox/wagtail,JoshBarr/wagtail,iho/wagtail,davecranwell/wagtail,rsalmaso/wagtail,nealtodd/wagtail,tangentlabs/wagtail,FlipperPA/wagtail,gasman/wagtail,takeshineshiro/wagtail,jorge-marques/wagtail,nimasmi/wagtail,hanpama/wagtail,takeflight/wagtail,FlipperPA/wagtail,FlipperPA/wagtail,zerolab/wagtail,kaedroho/wagtail,inonit/wagtail,Toshakins/wagtail,iansprice/wagtail,quru/wagtail,darith27/wagtail,tangentlabs/wagtail,nutztherookie/wagtail,gogobook/wagtail,nutztherookie/wagtail,iansprice/wagtail,torchbox/wagtail,m-sanders/wagtail,rjsproxy/wagtail,mjec/wagtail,nealtodd/wagtail,KimGlazebrook/wagtail-experiment,iansprice/wagtail,zerolab/wagtail,mikedingjan/wagtail,kaedroho/wagtail,kaedroho/wagtail,stevenewey/wagtail,mayapurmedia/wagtail,taedori81/wagtail,jordij/wagtail,m-sanders/wagtail,Tivix/wagtail,Pennebaker/wagtail,inonit/wagtail,nutztherookie/wagtail,nimasmi/wagtail,takeshineshiro/wagtail,hamsterbacke23/wagtail,janusnic/wagtail,gogobook/wagtail,wagtail/wagtail,davecranwell/wagtail,chrxr/wagtail,gogobook/wagtail,inonit/wagtail,zerolab/wagtail,nilnvoid/wagtail,jnns/wagtail,zerolab/wagtail,Toshakins/wagtail,davecranwell/wagtail,jorge-marques/wagtail,mayapurmedia/wagtail,wagtail/wagtail,rsalmaso/wagtail,bjesus/wagtail,marctc/wagtail,marctc/wagtail,nrsimha/wagtail,iho/wagtail,hanpama/wagtail,mixxorz/wagtail,iho/wagtail,taedori81/wagtail,rjsproxy/wagtail,taedori81/wagtail,marctc/wagtail,gasman/wagtail,janusnic/wagtail,mixxorz/wagtail,jordij/wagtail,mjec/wagtail,JoshBarr/wagtail,kurtw/wagtail,serzans/wagtail,WQuanfeng/wagtail,Toshakins/wagtail,nimasmi/wagtail,nutztherookie/wagtail,timorieber/wagtail,jnns/wagtail,rjsproxy/wagtail,JoshBarr/wagtail,thenewguy/wagtail,nealtodd/wagtail,torchbox/wagtail,serzans/wagtail,timorieber/wagtail,rjsproxy/wagtail,mikedingjan/wagtail,mixxorz/wagtail,m-sanders/wagtail,kurtw/wagtail,mjec/wagtail,takeflight/wagtail,takeshineshiro/wagtail,zerolab/wagtail,nealtodd/wagtail,hamsterbacke23/wagtail,mayapurmedia/wagtail,rsalmaso/wagtail,nimasmi/wagtail,Pennebaker/wagtail,thenewguy/wagtail,Tivix/wagtail,kurtrwall/wagtail,KimGlazebrook/wagtail-experiment,Klaudit/wagtail,mephizzle/wagtail,wagtail/wagtail,mayapurmedia/wagtail,bjesus/wagtail,janusnic/wagtail,nrsimha/wagtail,mikedingjan/wagtail,thenewguy/wagtail,kurtw/wagtail,chrxr/wagtail,taedori81/wagtail,mjec/wagtail,WQuanfeng/wagtail,rsalmaso/wagtail,wagtail/wagtail,quru/wagtail,takeflight/wagtail,rv816/wagtail