[FIR] Fix naming of local classes when serializing metadata

^KT-63655: Fixed
^KT-63901: Fixed
^KT-63988: Fixed

libraries/tools/kotlinp/testData/localClasses/DeepInnerLocalChain.kt

@@ -1,5 +1,3 @@
-// IGNORE K2
-// ^ KT-63655 K2: incorrect short class name in metadata for anonymous object inside a local class
 
 fun test() {
     class Local {

libraries/tools/kotlinp/testData/localClasses/LocalClassInConstructor.fir.txt

@@ -9,13 +9,13 @@ public final class A : kotlin/Any {
 }
 // A$L.class
 // ------------------------------------------
-local final class .A.L<T#0 /* T */> : kotlin/Any {
+local final class .A$L<T#0 /* T */> : kotlin/Any {
 
   // signature: <init>()V
   public constructor()
 
   // signature: x(LA$L;)V
-  public final fun x(l: .A.L<.A.L.I>): kotlin/Unit
+  public final fun x(l: .A$L<.A.L.I>): kotlin/Unit
 
   // nested class: I