FIR: Fix ambiguity between current Companion and one from supertypes

Companion as qualifier should be found at static scope not a member one

compiler/testData/diagnostics/tests/objects/localObjects.fir.kt

@@ -5,11 +5,11 @@ fun foo() {
     val b = object {
         <!LOCAL_OBJECT_NOT_ALLOWED!>object c<!> {}
     }
-    b.c
+    b.<!UNRESOLVED_REFERENCE!>c<!>
     class A {
         <!LOCAL_OBJECT_NOT_ALLOWED!>object d<!> {}
     }
     val f = {
         <!LOCAL_OBJECT_NOT_ALLOWED!>object e<!> {}
     }
-}
+}