Metainfo: add issues to 8.2.4 (#2456)

Author: danirabbit

data/gala.metainfo.xml.in

@@ -35,7 +35,10 @@
         </ul>
       </description>
       <issues>
+        <issue url="https://github.com/elementary/gala/issues/1264">Applications menu opened but hidden in full screen mode</issue>
         <issue url="https://github.com/elementary/gala/issues/2438">Gala randomly segfaults while closing Libreoffice windows</issue>
+        <issue url="https://github.com/elementary/gala/issues/2450">Apps not being brought to front</issue>
+        <issue url="https://github.com/elementary/dock/issues/310">Some apps are not showing up in the dock</issue>
       </issues>
     </release>