Properly handle clicks when renaming nested files and directories.

Fix for #9316
Merge branch 'master' into dangoor/9316-rename-collapse
Merge branch 'dangoor/9225-highlight-not-switching' into dangoor/9327-endless-scroll
Fix endless horizontal scrolling in the tree.

Fix for #9327.
Merge branch 'master' into dangoor/9316-rename-collapse

Conflicts:
	src/project/FileTreeView.js
Merge branch 'master' into dangoor/9327-endless-scroll
Change the directory DOM to match what's expected with the current CSS on rename.
exclude the header title as a drop target
Merge pull request #9381 from adobe/jeff/fix-9380

Exclude the header title as a drop target
Merge pull request #9378 from adobe/dangoor/9327-endless-scroll

Fixes endless horizontal scrolling in the file tree
Merge pull request #9353 from adobe/dangoor/9316-rename-collapse

File tree: properly handle clicks on nested files and directories