Fix type plugin for NX workspaces (#47534)
The plugin was failing in NX monorepos due to a wrong import path.
#44363, https://github.com/nrwl/nx/issues/14558
```
nx build my-next
> nx run my-next:build:production
warn - You have enabled experimental feature (appDir) in next.config.js.
warn - Experimental features are not covered by semver, and may cause unexpected or broken application behavior. Use at your own risk.
info - Thank you for testing `appDir` please leave your feedback at https://nextjs.link/app-feedback
info - Creating an optimized production build
info - Compiled successfully
info - Skipping linting
info - Checking validity of types ..Failed to compile.
Type error: Cannot find module '../../../../app/layout' or its corresponding type declarations.
——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
> NX Ran target build for project my-next (2s)
✖ 1/1 failed
```
---------
Co-authored-by: Ian Serpa <ian.serpa@imc.com>
Co-authored-by: Shu Ding <g@shud.in>
