It's not really necessary if the information about if the lambda was a
trailing lambda can be directly saved in FirAnonymousFunctionExpression.
Removing the FIR node uncovered a couple of bugs
(UNINITIALIZED_ENUM_ENTRY, ERROR_IN_CONTRACT_DESCRIPTION) that were
caused by assuming that a lambda is always a trailing lambda.
#KT-66124
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
Kirill Rakhman