Script parameters now can be resolved independently of the script.
But, as parameters are part of the script, their resolve will be called
before the script.
^KT-66276 Fixed
Now we can resolve this generated property in the same way
as other regular properties.
This is the pre-step for independent script initializers
^KT-65344
^KT-65523
We should use the source from replaced `FirAnonymousInitializer` as it
is more equivalent. Another point – the previous implementation
duplicated the source between generated FirProperty and initializer
^KT-65344