Ladybird+LibWebView: Migrate cursor changes to LibWebView callbacks

Author: https://github.com/trflynn89
Commit: 00fe122b0a
Pull-request: https://github.com/SerenityOS/serenity/pull/20727
Reviewed-by: https://github.com/awesomekling ✅

Userland/Libraries/LibWebView/WebContentClient.cpp

@@ -82,7 +82,9 @@ void WebContentClient::did_request_cursor_change(i32 cursor_type)
         dbgln("DidRequestCursorChange: Bad cursor type");
         return;
     }
-    m_view.notify_server_did_request_cursor_change({}, (Gfx::StandardCursor)cursor_type);
+
+    if (m_view.on_cursor_change)
+        m_view.on_cursor_change(static_cast<Gfx::StandardCursor>(cursor_type));
 }
 
 void WebContentClient::did_layout(Gfx::IntSize content_size)