Java: Refactor DuplicatesFinder - use RefactoringChangeUtil.getThisClass() where applicable (IDEA-191399)

Java: Refactor DuplicatesFinder - split large method matchReferenceExpression() into parts (IDEA-191399)

sort class literals by class proximity
process closest (imported) inheritors first

because it's trailing space isn't applicable there, and it gets in the way during completion (IDEA-162394)

because actually it could be `null` if gutter outlasts the element it was put on (EA-119661)

IDEA-CR-32349

Fixes IDEA-191374 DFA: "condition `x instanceof X` can be replaced with a null check" is not reported

Fixes IDEA-187041 Cannot stop inspection from reporting certain ignored return values.

otherwise searching for checkerframework annotations (IDEA-179708) in all parent packages is super slow, since it's calculated each time anew

reverted due to deadlock and regression

previous code caused exception in static initializer and ourApplicationId is really needed when init settings dialog

Changed behavior:
1. When debugging, an alert icon will be displayed on a terminal console tab when new output is available (DebuggerSessionTabBase#attachNotificationTo).
2. Depending on run configuration, a terminal console could be focused automatically when new output is available (RunContentBuilder.ConsoleToFrontListener#contentAdded).

Review ID: IDEA-CR-32339