Fix to preventDefault on all key bindings (#3075)

src/lang/codeManager.ts

@@ -65,6 +65,7 @@ export default class CodeManager {
         this._hotkeys[key]()
         return false
       },
+      preventDefault: true,
     }))
   }
 

src/lib/hotkeyWrapper.ts

@@ -14,7 +14,9 @@ export default function useHotkeyWrapper(
   callback: () => void,
   additionalOptions?: Options
 ) {
-  useHotkeys(hotkey, callback, additionalOptions)
+  const defaultOptions = { preventDefault: true }
+  const options = { ...defaultOptions, ...additionalOptions }
+  useHotkeys(hotkey, callback, options)
   useEffect(() => {
     for (const key of hotkey) {
       const keybinding = mapHotkeyToCodeMirrorHotkey(key)