Transform anonymous types even for public symbols

This became necessary when we removed the requirement to specify types for
public members, because otherwise everything fails not being able to locate the
anonymous class from another module

 #KT-9072 Fixed
 EA-72801

compiler/testData/diagnostics/tests/backingField/kt462BackingFieldsResolve.txt

@@ -5,7 +5,7 @@ package kt462 {
 
     public final class T {
         public constructor T()
-        public final val a: kt462.T.a.<no name provided>
+        public final val a: kotlin.Any
         public final var r: kotlin.Int
         public final var x: kotlin.Int
         public final val z: kotlin.Int