Clear selection, context and rename for deleted files.

Fix for #9214.
Clear file tree context when context menu item is selected.

This is a fix for #9228.
Fix click handling for file tree rename inputs.

Fix for #9217.
context mouse down was blocking clicks on the rename input.
Add missing space in classes on file node.

Fix for #9264.
Make sure context bar is positioned properly when focused on working set.
Replace magic number 2 with a MIDDLE_MOUSE_BUTTON constant
Fix rename via slow click to display errors as it does for the menu.
-merged master
Make the errors from renameItemInline more informative.
Switch to using display:none rather that moving the box.
Merge branch 'master' into dangoor/9214-wrong-file

Conflicts:
	test/spec/ProjectModel-test.js
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.
Adds the shadow to project-files-container.

Fix for #9251.
Merge pull request #9265 from adobe/dangoor/rename-issues

File tree rename issues fix, part 1
Merge branch 'master' into dangoor/9200-double-click

Conflicts:
	src/project/FileTreeView.js
Merge branch 'master' into dangoor/selection-display-none

Conflicts:
	src/project/FileTreeView.js
Merge pull request #9299 from adobe/dangoor/rename-via-click

Fix rename via slow click to display errors as it does for the menu item
Merge pull request #9306 from adobe/dangoor/selection-display-none

Switch to using display:none rather that moving the box.
Merge pull request #9239 from adobe/dangoor/9214-wrong-file

Clear selection, context and rename for deleted files.