fix(core): handle undefined when package.json changes are not in node modules

[jericopingul]

ISSUES CLOSED: #13668

Current Behavior

nx affected fails with error

Expected Behavior

nx affected does not fail with error

Related Issue(s)

Fixes #13668

[vercel]

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Name	Status	Preview	Updated
nx-dev	✅ Ready (Inspect)	Visit Preview	Dec 8, 2022 at 10:36PM (UTC)

[nx-cloud]

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✅ Successfully ran 11 targets

• nx affected --target=e2e --base=8858f49bafbea9a71623a7925fbafa947bb7d692 --head=221fb6635623587f81e7ded34b7d631ca0ec057d --exclude=e2e-storybook,e2e-storybook-angular,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=test --base=8858f49bafbea9a71623a7925fbafa947bb7d692 --head=221fb6635623587f81e7ded34b7d631ca0ec057d --parallel=1
• nx affected --target=build --base=8858f49bafbea9a71623a7925fbafa947bb7d692 --head=221fb6635623587f81e7ded34b7d631ca0ec057d --parallel=3
• nx depcheck --no-dte
• nx lint --no-dte
• nx affected --target=lint --base=8858f49bafbea9a71623a7925fbafa947bb7d692 --head=221fb6635623587f81e7ded34b7d631ca0ec057d --parallel=3
• nx check-lock-files --no-dte
• nx check-commit --no-dte
• nx-cloud record -- nx format:check --base=8858f49bafbea9a71623a7925fbafa947bb7d692 --head=221fb6635623587f81e7ded34b7d631ca0ec057d
• nx check-imports --no-dte
• nx documentation --no-dte

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Sent with 💌 from NxCloud.

[giveerr]

solves the problem

[FrozenPandaz]

Thank you for your contribution!

Please show a warning in these cases so we can identify which cases weren't handle.

[github-actions]

This pull request has already been merged/closed. If you experience issues related to these changes, please open a new issue referencing this pull request.