support: @uiw/react-codemirror in apps/app

[miya]

Task

https://redmine.weseek.co.jp/issues/157921

やったこと

トピックブランチ (#8984) で以下のエラーが出ていたためその修正

Error: src/client/components/PageEditor/PageEditorMainSwitcher.tsx(9,43): error TS2307: Cannot find module '@uiw/react-codemirror' or its corresponding type declarations.

https://github.com/weseek/growi/actions/runs/11954764874/job/33325627913?pr=8984#step:7:1140

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