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
         }
       }
     }