Make FDialogs more mobile-friendly

Fix Concede so dialog shown

forge-gui-desktop/src/main/java/forge/control/KeyboardShortcuts.java

@@ -106,7 +106,7 @@ public class KeyboardShortcuts {
             public void actionPerformed(final ActionEvent e) {
                 if (!Singletons.getControl().getCurrentScreen().isMatchScreen()) { return; }
                 if (matchUI == null) { return; }
-                matchUI.getGameController().concede();
+                matchUI.concede();
             }
         };