K2: fix annotation search on supertypes in assignment plugin

Current implementation checks only immediate supertype, while
in case of gradle build scripts DSL, the annotated superclass
is located deeper in the hierarchy.
The fix implements a recursive supertype check.

#KT-65983 fixed

plugins/assign-plugin/assign-plugin.k2/src/org/jetbrains/kotlin/assignment/plugin/k2/FirAssignAnnotationMatchingService.kt

@@ -43,7 +43,7 @@ internal class FirAssignAnnotationMatchingService(
         if (this.annotations.any { it.toAnnotationClassId(session)?.asSingleFqName() in annotationClassIds }) return true
         return resolvedSuperTypeRefs.any { superTypeRef ->
             val symbol = superTypeRef.type.fullyExpandedType(session).toRegularClassSymbol(session) ?: return@any false
-            symbol.annotations.any { it.toAnnotationClassId(session)?.asSingleFqName() in annotationClassIds }
+            symbol.annotated()
         }
     }
 }