Issue 23551. Fix for using type parameters of the enclosed classes in 'Create Missing Overrides' Qu…

pkg/analysis_server/lib/src/services/correction/fix_internal.dart

Index: pkg/analysis_server/lib/src/services/correction/fix_internal.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
index 783e4e90773e1dc1d6d73e9648f05a3d99a52f92..0851afa88e061f00ff77fbb1d0b21b67545f2a22 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
@@ -1062,7 +1062,10 @@ class FixProcessor {
       }
       return 1;
     });
+    // prepare target
     ClassDeclaration targetClass = node.parent as ClassDeclaration;
+    utils.targetClassElement = targetClass.element;
+    // prepare SourceBuilder
     int insertOffset = targetClass.end - 1;
     SourceBuilder sb = new SourceBuilder(file, insertOffset);
     // EOL management