[LL FIR] add tests for nested class as annotation argument

^KT-62587

compiler/testData/diagnostics/tests/annotations/unreachableNestedClassAsAnnotationParameter.kt

@@ -0,0 +1,13 @@
+import kotlin.reflect.KClass
+
+@Target(AnnotationTarget.CLASS, AnnotationTarget.TYPE_PARAMETER, AnnotationTarget.TYPE)
+annotation class Special(val why: KClass<*>)
+
+interface Interface
+
+class Outer {
+    @Special(<!ANNOTATION_ARGUMENT_MUST_BE_CONST!><!UNRESOLVED_REFERENCE!>NestedNested<!>::class<!>)
+    class Nested<@Special(<!ANNOTATION_ARGUMENT_MUST_BE_CONST!><!UNRESOLVED_REFERENCE!>NestedNested<!>::class<!>) T> : @Special(<!ANNOTATION_ARGUMENT_MUST_BE_CONST!><!UNRESOLVED_REFERENCE!>NestedNested<!>::class<!>) Interface {
+        class NestedNested
+    }
+}