FIR: Fix test data after rewritten scope structure

Mostly, the semantics for statics/companions has been changed there
Fixed test data now is much closer to semantics of old FE

compiler/testData/diagnostics/tests/scopes/inheritance/nestedClassesFromInterface.fir.kt

@@ -9,19 +9,19 @@ interface B {
 }
 
 class X: A {
-    val a: A_ = A_()
+    val a: A_ = <!UNRESOLVED_REFERENCE!>A_<!>()
     val b: A.A_ = A.A_()
 
     companion object {
-        val a: A_ = A_()
+        val a: A_ = <!UNRESOLVED_REFERENCE!>A_<!>()
     }
 }
 
 class Y: B {
-    val a: B_ = B_()
+    val a: B_ = <!UNRESOLVED_REFERENCE!>B_<!>()
     val b: B.B_ = B.B_()
 
     companion object {
-        val b: B_ = B_()
+        val b: B_ = <!UNRESOLVED_REFERENCE!>B_<!>()
     }
 }