AK+Everywhere: Store JSON object keys as String

Author: https://github.com/trflynn89
Commit: e591636419
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3631
Reviewed-by: https://github.com/awesomekling ✅

Libraries/LibDevTools/Actors/FrameActor.cpp

@@ -56,9 +56,9 @@ void FrameActor::send_frame_update_message()
     }
 
     JsonObject message;
-    message.set("from", name());
-    message.set("type", "frameUpdate"sv);
-    message.set("frames", move(frames));
+    message.set("from"sv, name());
+    message.set("type"sv, "frameUpdate"sv);
+    message.set("frames"sv, move(frames));
     send_message(move(message));
 }