Various fixes

js/input/keybaord/KeyboardEnableZoom.js

@@ -1,3 +1,5 @@
+// @ts-check
+
 import Configuration from "../../Configuration"
 import IKeyboardShortcut from "./IKeyboardShortcut"
 import Zoom from "../mouse/Zoom"
@@ -28,4 +30,4 @@ export default class KeyboardEnableZoom extends IKeyboardShortcut {
     unfire() {
         this.#zoomInputObject.enableZoonIn = false
     }
-}
+}