Fix referencing inner class constructor on an outer class instance

#KT-12796 Fixed

compiler/testData/diagnostics/tests/callableReference/resolve/innerClassConstructorOnOuterClassInstance.kt

@@ -0,0 +1,13 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_VARIABLE
+
+abstract class A {
+    inner class InnerInA
+}
+
+abstract class B : A()
+
+fun foo(a: A) {
+    if (a is B) {
+        val v = a::InnerInA
+    }
+}

compiler/testData/diagnostics/tests/callableReference/resolve/innerClassConstructorOnOuterClassInstance.txt

@@ -0,0 +1,24 @@
+package
+
+public fun foo(/*0*/ a: A): kotlin.Unit
+
+public abstract class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public final inner class InnerInA {
+        public constructor InnerInA()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}
+
+public abstract class B : A {
+    public constructor B()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}