[FIR] Handle protected effective visibility relation properly

#KT-38401 Fixed

compiler/testData/diagnostics/tests/exposed/internalAndProtected.fir.kt

@@ -1,10 +0,0 @@
-public open class A {
-    protected open class B
-}
-
-public open class C : A() {
-    protected open class D {
-        // internal & protected(in C) <= protected(in A): Ok
-        internal open class E : <!EXPOSED_SUPER_CLASS!>A.B<!>()
-    }
-}

compiler/testData/diagnostics/tests/exposed/internalAndProtected.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 public open class A {
     protected open class B
 }

compiler/testData/diagnostics/tests/exposed/protectedJava.fir.kt

@@ -10,7 +10,7 @@ public abstract class Outer {
 
 class OuterDerived: Outer() {
     // valid, My has better visibility
-    protected class His: <!EXPOSED_SUPER_CLASS!>Outer.My<!>()
+    protected class His: Outer.My()
     // valid, My and Your have better visibility
     override fun <!EXPOSED_FUNCTION_RETURN_TYPE!>foo<!>(<!EXPOSED_PARAMETER_TYPE!>my: Outer.My<!>) = Outer.Your()
 }

compiler/testData/diagnostics/tests/exposed/protectedSameWay.fir.kt

@@ -7,7 +7,7 @@ abstract class Outer {
 
 class OuterDerived: Outer() {
     // valid, My has better visibility
-    protected class His: <!EXPOSED_SUPER_CLASS!>Outer.My<!>()
+    protected class His: Outer.My()
     // valid, My and Your have better visibility
     override fun <!EXPOSED_FUNCTION_RETURN_TYPE!>foo<!>(<!EXPOSED_PARAMETER_TYPE!>my: Outer.My<!>) = Outer.Your()
 }

compiler/testData/diagnostics/tests/imports/ImportProtectedClass.fir.kt

@@ -7,7 +7,7 @@ open class Foo {
 }
 
 class Bar: Foo() {
-    protected fun <!EXPOSED_FUNCTION_RETURN_TYPE!>foo<!>(): Nested? = null
+    protected fun foo(): Nested? = null
 }
 
 private fun foo(): Nested? = null