Add KeyShortcutHandler to every NAT UI, KeyShortcutSystem

src/kiss_tools/KeyShortcutHandler.hx

@@ -9,7 +9,7 @@ typedef PrefixMapHandler<T> = (Map<String, ShortcutKey<T>>) -> Void;
 typedef ItemHandler<T> = (T) -> Void;
 typedef FinishHandler = () -> Void;
 typedef BadKeyHandler<T> = (String, PrefixMap<T>) -> Void;
-typedef BadShortcutHandler<T> = (String,ShortcutKey<T>) -> Void;
+typedef BadShortcutHandler<T> = (String, ShortcutKey<T>) -> Void;
 
 enum ShortcutKey<T> {
     Final(item:T);

src/kiss_tools/KeyShortcutHandler.kiss

@@ -83,4 +83,3 @@
 (method :Void registerItem [description :T item]
     (whenLet [keyboardShortcut (extractKeyboardShortcuts description)]
         (registerShortcut (keyboardShortcut.split "") description item)))
-