Added Clear to conversion function button.
#review-19646894 @editor-ui-systems
#preflight 624da1004c5db57ae607f701
[CL 19647304 by sebastian nordgren in ue5-main branch]
Formatting of errors changed to include the binding name (SourceObject.SourceProperty <-/<->/-> DestObject.DestProperty). Errors are now stored in the binding object again.
Renamed GetConversionFunctionPath to SourceToDestinationFunctionPath and SetConversionFunctionPath to DestinationToSourceFunctionPath.
#jira UE-148310
#review-19644346 @editor-ui-systems
#preflight 624d590e7d2eea4e18eddbb0
[CL 19645570 by sebastian nordgren in ue5-main branch]