check extends/implements list for nested classes of super type (IDEA-108287)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA108287.java

@@ -0,0 +1,9 @@
+class Foo<T> {
+    static class Nested {};
+}
+class Bar extends Foo<<error descr="Nested is not accessible in current context">Bar.Nested</error>> {}
+
+interface FooI<T> {
+    interface Nested {};
+}
+interface BarI extends FooI<<error descr="Nested is not accessible in current context">BarI.Nested</error>> {}