FIR: handle labeled super reference properly

compiler/testData/diagnostics/tests/thisAndSuper/Super.fir.kt

@@ -31,7 +31,7 @@ class A<E>() : C(), T {
         fun test() {
             super<T>.foo();
             <!NOT_A_SUPERTYPE!>super<C><!>.bar()
-            <!NOT_A_SUPERTYPE!>super<C>@A<!>.bar()
+            super<C>@A.bar()
             super<T>@A.foo()
             super<T>@B.foo()
             <!NOT_A_SUPERTYPE!>super<C>@B<!>.<!UNRESOLVED_REFERENCE!>foo<!>()

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/unqualifiedSuperWithInnerClass.fir.kt

@@ -1,33 +0,0 @@
-open class A {
-    open fun foo() {}
-}
-
-interface B {
-    fun bar() {}
-}
-
-interface Q {
-    fun qux() {}
-}
-
-class C : A(), B {
-    override fun foo() {
-        super@C.foo()
-    }
-
-    override fun bar() {
-        super@C.bar()
-    }
-
-    inner class D : A(), Q {
-        override fun foo() {
-            super@C.foo()
-            super@D.foo()
-        }
-
-        override fun qux() {
-            super@C.qux()
-            super@D.qux()
-        }
-    }
-}

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/unqualifiedSuperWithInnerClass.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 open class A {
     open fun foo() {}
 }