Fix hotkeys (#1468)

* use hotkey using key instead of which (default)

* remove shift from block formatting hotkeys

* smartly exit formatting with backspace

* set markdown to off by default

* exit formatting with escape

src/app/components/editor/autocomplete/AutocompleteMenu.tsx

@@ -1,6 +1,6 @@
 import React, { ReactNode } from 'react';
 import FocusTrap from 'focus-trap-react';
-import isHotkey from 'is-hotkey';
+import { isKeyHotkey } from 'is-hotkey';
 import { Header, Menu, Scroll, config } from 'folds';
 
 import * as css from './AutocompleteMenu.css';
@@ -22,8 +22,8 @@ export function AutocompleteMenu({ headerContent, requestClose, children }: Auto
             returnFocusOnDeactivate: false,
             clickOutsideDeactivates: true,
             allowOutsideClick: true,
-            isKeyForward: (evt: KeyboardEvent) => isHotkey('arrowdown', evt),
-            isKeyBackward: (evt: KeyboardEvent) => isHotkey('arrowup', evt),
+            isKeyForward: (evt: KeyboardEvent) => isKeyHotkey('arrowdown', evt),
+            isKeyBackward: (evt: KeyboardEvent) => isKeyHotkey('arrowup', evt),
           }}
         >
           <Menu className={css.AutocompleteMenu}>