- There is still a hack with returning null from `getLastFileReference`,
it is here to keep KT-25674 issue fixed
- Overrides of `bindToElement` are removed, they caused renames of the
file references to their contents
- Code of `KotlinFilePathReferenceContributor.kt` is refactored
- ^KT-33372 ^KT-32514 ^KT-36306 Fixed