Fixes the chat menu bar keyboard navigation. Fix provided by Markus Kilås on dev mailing list (subject: "Chat window menu bar can not be navigated using keyboard").

src/net/java/sip/communicator/impl/gui/main/chat/ChatWindow.java

@@ -1258,11 +1258,18 @@ public boolean dispatchKeyEvent(KeyEvent e)
 
             if(getCurrentChat() == null)
                 return false;
-            
+
             ChatWritePanel chatWritePanel
                 = getCurrentChat().getChatWritePanel();
             JEditorPane chatWriteEditor = chatWritePanel.getEditorPane();
 
+            // Don't re-dispatch any events if the menu is active. Fixes the
+            // navigation in the menu.
+            if (menuBar.isSelected())
+            {
+                return false;
+            }
+
             if (keyManager.getFocusOwner() != null
                 && !chatWritePanel.isFocusOwner())
             {