Minor: Remove unnecessary check for test sources (reverted earlier commit)
Call Hierarchy: Filter out usages inside of import directives
Change Signature: Retain parameter modifier list
Quick Fixes: Add test for KT-6430 (Create parameter quick fix inserts platform types into Kotlin code)
Change Signature: Add test for KT-6410 (Change signature on constructor inserts fqName for newly added parameter type)
Change Signature: Do not report conflict of object member with itself (available through the class object)
 #KT-6345 Fixed
Quick Fixes: Add test for KT-5922 (QuickFix to change lambda signature doesn't work with SAM conversion)
Create parameter from usage: Support UNRESOLVE_REFERENCE_WRONG_RECEIVER diagnostic
 #KT-6431 Fixed
Change return type quick-fix: Add support of constant expressions
 #KT-6260 Fixed
 #KT-6404 Fixed
Minor: Use short type names in super-function prompt dialog (find usages and refactorings)
 #KT-6298 Fixed