Click to rename works on a timeout.

This is more like the earlier implementation of click-to-rename and provides more
consistent behavior for double clicking to add to working set.

Fix for #9200.
Merge branch 'master' into dangoor/9200-double-click

Conflicts:
	src/project/FileTreeView.js
Merge pull request #9308 from adobe/dangoor/9200-double-click

Click to rename works on a timeout.