BUG: Fix unique key to allow multiple appsetting elements for QtTesting
BUG: Fix unique key to allow multiple appsetting elements for QtTesting

Each custom app setting is record with the element "appsetting"
To allow mulitple custom setting we add to the key the command associated.

vovythevov/CTK,CJGoch/CTK,CJGoch/CTK,mehrtash/CTK,rkhlebnikov/CTK,SINTEFMedtek/CTK,commontk/CTK,espakm/CTK,rkhlebnikov/CTK,fedorov/CTK,naucoin/CTK,finetjul/CTK,sankhesh/CTK,CJGoch/CTK,msmolens/CTK,danielknorr/CTK,lassoan/CTK,finetjul/CTK,mehrtash/CTK,AndreasFetzer/CTK,pieper/CTK,msmolens/CTK,jcfr/CTK,sankhesh/CTK,ddao/CTK,Sardge/CTK,fedorov/CTK,151706061/CTK,151706061/CTK,danielknorr/CTK,Heather/CTK,mehrtash/CTK,espakm/CTK,SINTEFMedtek/CTK,Sardge/CTK,Sardge/CTK,vovythevov/CTK,laurennlam/CTK,AndreasFetzer/CTK,naucoin/CTK,fedorov/CTK,naucoin/CTK,laurennlam/CTK,msmolens/CTK,lassoan/CTK,sankhesh/CTK,ddao/CTK,laurennlam/CTK,msmolens/CTK,Sardge/CTK,sankhesh/CTK,vovythevov/CTK,AndreasFetzer/CTK,jcfr/CTK,rkhlebnikov/CTK,151706061/CTK,AndreasFetzer/CTK,jcfr/CTK,danielknorr/CTK,laurennlam/CTK,fedorov/CTK,mehrtash/CTK,ddao/CTK,151706061/CTK,CJGoch/CTK,Heather/CTK,SINTEFMedtek/CTK,commontk/CTK,naucoin/CTK,commontk/CTK,jcfr/CTK,jcfr/CTK,espakm/CTK,Heather/CTK,vovythevov/CTK,pieper/CTK,CJGoch/CTK,rkhlebnikov/CTK,151706061/CTK,SINTEFMedtek/CTK,ddao/CTK,pieper/CTK,Heather/CTK,lassoan/CTK,finetjul/CTK,pieper/CTK,danielknorr/CTK,SINTEFMedtek/CTK,commontk/CTK,espakm/CTK,lassoan/CTK,finetjul/CTK