Protected in final inspection: protected modifier is effectively private in final classes #KT-6674 Fixed

idea/testData/inspections/protectedInFinal/protectedInFinal.kt

@@ -0,0 +1,37 @@
+class F {
+    protected val foo: Int = 0
+
+    protected fun bar() {}
+
+    protected class Nested
+}
+
+class G {
+    interface H {
+        protected val foo: Int = 0
+
+        protected fun bar() {}
+
+        protected class Nested
+    }
+}
+
+sealed class S {
+    protected val foo: Int = 0
+
+    protected fun bar() {}
+
+    protected class Nested : S()
+
+    protected object Obj : S()
+}
+
+enum class E {
+    SINGLE {
+        override val x = foo()
+    };
+
+    abstract val x: Int
+
+    protected fun foo() = 42
+}