Fix the focus issue with inspections dialog:
1. Press  "Ctrl+Alt+Shift+H" in editor
2. Click the "Configure inspections" link
3. Try to navigate with keyboard.

The reason is that the preferred focused component is used to gain focus.
Now Tree is located in the renderer for TableTree and does not have valid window ancestor.
 So I renamed the getTree method to indicate which component we expect.
combo with search context made closer to labe,l per Konstantin Bulenkov's recommendation
introduce getRootLexer(DelegateLexer) method
[performance fix] check containing method to have at least the same name as method usage we encountered, to avoid resolving during hierarchy visiting for detecting delegation (IDEA-128264)
mismatched arrays: check enum constants (IDEA-128098)
register connection.timeout property (IDEA-73722)