fix: Keyboard navigation around inline code marks (#5477)

shared/editor/marks/Code.ts

@@ -1,3 +1,4 @@
+import codemark from "prosemirror-codemark";
 import { toggleMark } from "prosemirror-commands";
 import {
   MarkSpec,
@@ -8,8 +9,6 @@ import {
 } from "prosemirror-model";
 import { Plugin } from "prosemirror-state";
 import { EditorView } from "prosemirror-view";
-import moveLeft from "../commands/moveLeft";
-import moveRight from "../commands/moveRight";
 import markInputRule from "../lib/markInputRule";
 import { MarkdownSerializerState } from "../lib/markdown/serializer";
 import Mark from "./Mark";
@@ -57,13 +56,12 @@ export default class Code extends Mark {
     // https://github.com/ProseMirror/prosemirror/issues/515
     return {
       "Mod`": toggleMark(type),
-      ArrowLeft: moveLeft(),
-      ArrowRight: moveRight(),
     };
   }
 
   get plugins() {
     return [
+      ...codemark({ markType: this.editor.schema.marks.code_inline }),
       new Plugin({
         props: {
           // Typing a character inside of two backticks will wrap the character