FIR: Make resolution logic for local classes the same as for top-level

Run different phases through common transformers sequentially
It should make code more reusable and may help with avoid common bugs

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassInMemberOfLocalClass.fir.kt

@@ -6,8 +6,8 @@ fun test(x: Any) {
       if (y !is String) return
       class Local {
         init {
-          x.<!UNRESOLVED_REFERENCE!>length<!>
-          y.<!UNRESOLVED_REFERENCE!>length<!>
+          x.length
+          y.length
         }
       }
     }

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassInitializer.fir.kt

@@ -4,7 +4,7 @@ fun f(a: Any?) {
   if (a is B) {
     class C : X(a) {
       init {
-        a.<!UNRESOLVED_REFERENCE!>foo<!>()
+        a.foo()
       }
     }
   }
@@ -13,4 +13,4 @@ fun f(a: Any?) {
 interface B {
   fun foo() {}
 }
-open class X(b: B)
+open class X(b: B)

compiler/testData/diagnostics/tests/dataFlow/local/NestedLocalClass.fir.kt

@@ -4,7 +4,7 @@ fun test(x: Any) {
   class LocalOuter {
     inner class Local {
       init {
-        x.<!UNRESOLVED_REFERENCE!>length<!>
+        x.length
       }
     }
   }