FIR DFA: fix CFG with normal arg after lambda [KT-46825]

The fix is a bit hacky, but it's very simple. In addition, it still does
not handle the case where the receiver is a lambda function. But such
case seems to be fairly rare in practice.

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -491,6 +491,8 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
         }
 
         noImpl(userTypeRef)
+
+        noImpl(argumentList)
     }
 
     private fun configureAllImplementations() {