^KT-42742 Fixed

 #KT-44723 Fixed

 #KT-45525 Fixed

Corresponding delegates are initialized in the host class, using
'$$delegatedProperties'.
TODO figure out proper code generation scheme for delegated properties
in companions (KT-45580)

"correct" means that these files can be compiled. This change is
necessary for visualizer. Don't want to ignore these test files,
so they must not produce errors.

Process captured types with type variable inside properly, in the operations related with the type variables fixation

^KT-44687 Fixed

It will be useful in the completion when we need to dicide if we
need to import FQN or not

 [JS IR] Extract getClassRef method

 ^KT-44950 fixed