The `NxAppWebpackPlugin` does not support relative paths in
`additionalEntryPoints`.
So this will fail:
```js
new NxAppWebpackPlugin({
...
additionalEntryPoints: ['.src/foo.ts']
```
The resolved path is relative to workspace root when it should be
project root.
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## Current Behavior
Build will fail.
## Expected Behavior
Build should work.
## Related Issue(s)
<!-- Please link the issue being fixed so it gets closed when this is
merged. -->
Fixes #
d8cb932422