Changed currentLabel to be most recently modified
Changed currentLabel to be most recently modified

Was originally most recently placed. Now when a label is modified (meaning
the context menu for it was opened) then it is added to the submission

ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage,ProjectSidewalk/SidewalkWebpage