Refine isVisible for protected visibility

#KT-7437 Fixed
 #KT-7971 Fixed
 #KT-7051 Fixed
 #KT-6125 Fixed
 #KT-6186 Fixed

compiler/testData/diagnostics/tests/scopes/protectedVisibility/complexCompanion.kt

@@ -0,0 +1,18 @@
+open class A {
+    protected fun foo() {}
+
+    init {
+        B.foo() // Ok, receiver (B.Companion) is subtype of A
+        (B.Companion).foo()
+    }
+}
+
+class B {
+    companion object : A()
+}
+
+class C: A() {
+    init {
+        B.<!INVISIBLE_MEMBER!>foo<!>() // Error: receiver is not suitable
+    }
+}