make map zoom work while list has focus

source/Ox.UI/js/Core/Ox.Keyboard.js

@@ -89,7 +89,9 @@
                     focused !== null && Ox.UI.elements[focused].triggerEvent('keys', {
                         keys: buffer
                     });
-                }, 250);
+                }, 25);
+                // fixme: used to be 250, but seemed too much.
+                // if it stays at 25, we may not need a timeout at all
             }
         }
         // clear the reset timeout even if the key didn't go into the buffer