Pass-in the initial value when performing a POST on Workflow Action. This fixes the call to self.changed_data, it allows django forms to be able to compare initial value with current value.
Pass-in the initial value when performing a POST on Workflow Action. This fixes the call to self.changed_data, it allows django forms to be able to compare initial value with current value.

Fixes bug 1153697.

Change-Id: I21846487ada34f3b007a545bcdcba400bd044af5

promptworks/horizon,mrunge/horizon,endorphinl/horizon-fork,RudoCris/horizon,maestro-hybrid-cloud/horizon,wolverineav/horizon,j4/horizon,newrocknj/horizon,yjxtogo/horizon,xinwu/horizon,ging/horizon,damien-dg/horizon,davidcusatis/horizon,Mirantis/mos-horizon,Metaswitch/horizon,tellesnobrega/horizon,agileblaze/OpenStackTwoFactorAuthentication,Daniex/horizon,Hodorable/0602,izadorozhna/dashboard_integration_tests,flochaz/horizon,karthik-suresh/horizon,takeshineshiro/horizon,icloudrnd/automation_tools,tsufiev/horizon,mrunge/openstack_horizon,sandvine/horizon,openstack/horizon,gerrive/horizon,mdavid/horizon,tqtran7/horizon,Tesora/tesora-horizon,Dark-Hacker/horizon,kfox1111/horizon,flochaz/horizon,NCI-Cloud/horizon,coreycb/horizon,tanglei528/horizon,Solinea/horizon,Mirantis/mos-horizon,CiscoSystems/avos,watonyweng/horizon,redhat-cip/horizon,aaronorosen/horizon-congress,rickerc/horizon_audit,newrocknj/horizon,davidcusatis/horizon,luhanhan/horizon,j4/horizon,vladryk/horizon,bac/horizon,sandvine/horizon,saydulk/horizon,philoniare/horizon,tellesnobrega/horizon,ChameleonCloud/horizon,promptworks/horizon,dan1/horizon-proto,takeshineshiro/horizon,davidcusatis/horizon,mdavid/horizon,nvoron23/avos,spring-week-topos/horizon-week,VaneCloud/horizon,Frostman/eho-horizon,luhanhan/horizon,vladryk/horizon,netscaler/horizon,mdavid/horizon,redhat-openstack/horizon,mrunge/horizon_lib,FNST-OpenStack/horizon,CiscoSystems/horizon,xinwu/horizon,JioCloud/horizon,ikargis/horizon_fod,damien-dg/horizon,saydulk/horizon,kaiweifan/horizon,eayunstack/horizon,Hodorable/0602,citrix-openstack-build/horizon,tuskar/tuskar-ui,rdo-management/tuskar-ui,yanheven/console,doug-fish/horizon,rickerc/horizon_audit,Tesora/tesora-horizon,dan1/horizon-x509,endorphinl/horizon-fork,coreycb/horizon,mandeepdhami/horizon,django-leonardo/horizon,CiscoSystems/horizon,mrunge/horizon,django-leonardo/horizon,pranavtendolkr/horizon,takeshineshiro/horizon,mandeepdhami/horizon,liyitest/rr,bac/horizon,spring-week-topos/horizon-week,maestro-hybrid-cloud/horizon,tsufiev/horizon,davidcusatis/horizon,luhanhan/horizon,saydulk/horizon,watonyweng/horizon,j4/horizon,rickerc/horizon_audit,vladryk/horizon,yeming233/horizon,rdo-management/tuskar-ui,dan1/horizon-x509,NeCTAR-RC/horizon,kfox1111/horizon,eayunstack/horizon,yjxtogo/horizon,noironetworks/horizon,redhat-cip/horizon,anthonydillon/horizon,froyobin/horizon,tanglei528/horizon,pranavtendolkr/horizon,dan1/horizon-x509,redhat-openstack/horizon,RudoCris/horizon,bigswitch/horizon,wangxiangyu/horizon,tanglei528/horizon,doug-fish/horizon,froyobin/horizon,openstack-ja/horizon,mrunge/openstack_horizon,VaneCloud/horizon,ikargis/horizon_fod,Metaswitch/horizon,vladryk/horizon,icloudrnd/automation_tools,openstack-ja/horizon,endorphinl/horizon-fork,flochaz/horizon,bac/horizon,orbitfp7/horizon,NeCTAR-RC/horizon,orbitfp7/horizon,agileblaze/OpenStackTwoFactorAuthentication,coreycb/horizon,liyitest/rr,zouyapeng/horizon,Hodorable/0602,yeming233/horizon,Solinea/horizon,Daniex/horizon,mandeepdhami/horizon,Solinea/horizon,agileblaze/OpenStackTwoFactorAuthentication,wolverineav/horizon,dan1/horizon-proto,kfox1111/horizon,philoniare/horizon,gochist/horizon,pranavtendolkr/horizon,FNST-OpenStack/horizon,kaiweifan/horizon,CiscoSystems/avos,orbitfp7/horizon,endorphinl/horizon,tqtran7/horizon,damien-dg/horizon,gochist/horizon,RudoCris/horizon,CiscoSystems/horizon,gerrive/horizon,netscaler/horizon,j4/horizon,maestro-hybrid-cloud/horizon,r-icarus/openstack_microserver,tuskar/tuskar-ui,r-icarus/openstack_microserver,watonyweng/horizon,endorphinl/horizon,openstack/horizon,wangxiangyu/horizon,blueboxgroup/horizon,FNST-OpenStack/horizon,noironetworks/horizon,doug-fish/horizon,xme1226/horizon,openstack/horizon,wangxiangyu/horizon,yeming233/horizon,RudoCris/horizon,Daniex/horizon,henaras/horizon,Solinea/horizon,NCI-Cloud/horizon,NCI-Cloud/horizon,tellesnobrega/horizon,nvoron23/avos,BiznetGIO/horizon,orbitfp7/horizon,ChameleonCloud/horizon,sandvine/horizon,xme1226/horizon,endorphinl/horizon,liyitest/rr,CiscoSystems/horizon,redhat-openstack/horizon,endorphinl/horizon,tsufiev/horizon,redhat-cip/horizon,yanheven/console,luhanhan/horizon,henaras/horizon,wolverineav/horizon,coreycb/horizon,Mirantis/mos-horizon,spring-week-topos/horizon-week,ChameleonCloud/horizon,noironetworks/horizon,bigswitch/horizon,tqtran7/horizon,NCI-Cloud/horizon,citrix-openstack-build/horizon,redhat-openstack/horizon,gerrive/horizon,tellesnobrega/horizon,Hodorable/0602,Daniex/horizon,Tesora/tesora-horizon,flochaz/horizon,dan1/horizon-x509,yeming233/horizon,zouyapeng/horizon,agileblaze/OpenStackTwoFactorAuthentication,xinwu/horizon,idjaw/horizon,bigswitch/horizon,ging/horizon,gerrive/horizon,ikargis/horizon_fod,rdo-management/tuskar-ui,ging/horizon,pranavtendolkr/horizon,BiznetGIO/horizon,openstack-ja/horizon,idjaw/horizon,mdavid/horizon,ging/horizon,Tesora/tesora-horizon,JioCloud/horizon,newrocknj/horizon,henaras/horizon,Frostman/eho-horizon,takeshineshiro/horizon,promptworks/horizon,Mirantis/mos-horizon,BiznetGIO/horizon,FNST-OpenStack/horizon,yanheven/console,Frostman/eho-horizon,wolverineav/horizon,NeCTAR-RC/horizon,izadorozhna/dashboard_integration_tests,xinwu/horizon,nvoron23/avos,tqtran7/horizon,froyobin/horizon,tuskar/tuskar-ui,icloudrnd/automation_tools,karthik-suresh/horizon,anthonydillon/horizon,dan1/horizon-proto,Dark-Hacker/horizon,r-icarus/openstack_microserver,mrunge/horizon,blueboxgroup/horizon,bac/horizon,tsufiev/horizon,maestro-hybrid-cloud/horizon,philoniare/horizon,idjaw/horizon,Dark-Hacker/horizon,anthonydillon/horizon,blueboxgroup/horizon,yjxtogo/horizon,VaneCloud/horizon,karthik-suresh/horizon,idjaw/horizon,sandvine/horizon,django-leonardo/horizon,noironetworks/horizon,watonyweng/horizon,philoniare/horizon,yjxtogo/horizon,JioCloud/horizon,eayunstack/horizon,doug-fish/horizon,ChameleonCloud/horizon,mrunge/horizon_lib,CiscoSystems/avos,openstack/horizon,icloudrnd/automation_tools,promptworks/horizon,mrunge/openstack_horizon,kaiweifan/horizon,redhat-cip/horizon,henaras/horizon,liyitest/rr,aaronorosen/horizon-congress,aaronorosen/horizon-congress,django-leonardo/horizon,wangxiangyu/horizon,mrunge/horizon_lib,nvoron23/avos,zouyapeng/horizon,zouyapeng/horizon,netscaler/horizon,blueboxgroup/horizon,rdo-management/tuskar-ui,Metaswitch/horizon,saydulk/horizon,Metaswitch/horizon,anthonydillon/horizon,Dark-Hacker/horizon,newrocknj/horizon,NeCTAR-RC/horizon,bigswitch/horizon,VaneCloud/horizon,mandeepdhami/horizon,dan1/horizon-proto,karthik-suresh/horizon,citrix-openstack-build/horizon,CiscoSystems/avos,BiznetGIO/horizon,endorphinl/horizon-fork,damien-dg/horizon,xme1226/horizon,gochist/horizon,kfox1111/horizon