This element has been introduced to simplify resolution logic in LL FIR,
but now this element is redundant and only complicates the code as after
KT-56683 `FirFile` has real phases
^KT-65876 Fixed
We shouldn't trigger declaration processing if we want to check just
annotations/package/imports.
But currently, we still will iterate over the entire file
if there is an element somewhere inside package/import
(see `fileImportInside.kt` test case)
^KT-65344
^KT-65560 Fixed
Dmitrii Gridin