Add diagnostic on calling inner classes constructors without receiver

Otherwise there will be just an unresolved reference that doesn't give
any useful information

 #KT-8959 Fixed

compiler/testData/diagnostics/tests/scopes/classHeader/constructors.kt

@@ -4,7 +4,7 @@ class A(
         n: Nested = foo(),
         n2: Nested = Nested(),
         inn: Inner = null!!,
-        inn2: Inner = <!UNRESOLVED_REFERENCE!>Inner<!>(),
+        inn2: Inner = <!RESOLUTION_TO_CLASSIFIER!>Inner<!>(),
         i: Interface = null!!,
         c: Int = CONST,
         cc: Int = Companion.CONST,