Use 'symbol' instead of 'classId' in FirResolvedQualifier

This commit solves problem with resolved qualifier of local class
#KT-36758 Fixed

compiler/testData/diagnostics/tests/callableReference/kt15439_completeCall.fir.kt

@@ -2,8 +2,8 @@
 
 fun test() {
     data class Pair<F, S>(val first: F, val second: S)
-    val (<!UNRESOLVED_REFERENCE!>x<!>, <!UNRESOLVED_REFERENCE!>y<!>) =
-            <!INAPPLICABLE_CANDIDATE!>Pair<!>(1,
+    val (x, y) =
+            Pair(1,
                  if (1 == 1)
                      Pair<String, String>::first
                  else

compiler/testData/diagnostics/tests/enum/localEnums.fir.kt

@@ -5,7 +5,7 @@ fun foo() {
         FOO,
         BAR
     }
-    val foo = A.<!UNRESOLVED_REFERENCE!>FOO<!>
+    val foo = A.FOO
     val b = object {
         enum class B {}
     }