Minor: Add test for now-obsolete KT-8035 "Extended class is not open" quickfix fails on nested classes "

idea/testData/quickfix/modifiers/addOpenToClassDeclaration/nestedFinalClass.kt

@@ -0,0 +1,6 @@
+// "Make 'B' open" "true"
+class A {
+    class B
+}
+
+class C : <caret>A.B()

idea/testData/quickfix/modifiers/addOpenToClassDeclaration/nestedFinalClass.kt.after

@@ -0,0 +1,6 @@
+// "Make 'B' open" "true"
+class A {
+    open class B
+}
+
+class C : <caret>A.B()

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixTestGenerated.java

@@ -5161,6 +5161,12 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("nestedFinalClass.kt")
+            public void testNestedFinalClass() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/modifiers/addOpenToClassDeclaration/nestedFinalClass.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("secondaryCtrDelegationInHeader.kt")
             public void testSecondaryCtrDelegationInHeader() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/modifiers/addOpenToClassDeclaration/secondaryCtrDelegationInHeader.kt");