Updated the changelist window to handle double clicking on a changelist. This opens the submit dialog if the submit conditions are met. This mimics P4V behavior.
PR #9433: [Source Control] Changelists window: intercept Enter and Delete keys to Submit or Delete the current changelist (Contributed by SRombauts)
#jira UE-160314
#rb Patrick.Enfedaque
#preflight 630d1e68f92416fb92702657
[CL 21709874 by SRombauts in ue5-main branch]