Change marker classes. Use only Java classes as to determine runtime even if abi version is outdated.
Remove outdated hint that was popping out on declarations

Sometimes it was clashed with warnings and errors

EA-63522
Don't run processTransferableData() in dumb mode
Fix "Index not ready" in structure view
Show Kotlin icons in dumb mode
Minor: Fix warnings
Don't fail on index update when counting paths for bad abi roots

EA-63535
Minor: check cancel before each marker count