fix(core): nx should not break if packages were not installed

[meeroslav]

Current Behavior

Nx fails if lock file parsing returns undefined because parsing lock file failed

Expected Behavior

Nx should recover from lock file parsing failure

Related Issue(s)

Fixes lerna/lerna#3807

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
nx-dev	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 17, 2023 5:59pm

[nx-cloud]

☁️ Nx Cloud Report

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✅ Successfully ran 8 targets

• linux nx affected --target=e2e --base=52408960cdfe09492cb4dfcfac1e312c26344d80 --head=86492404f9bd67dda5315d34fed8e707c7efb08f --parallel=1
• linux nx affected --target=test --base=52408960cdfe09492cb4dfcfac1e312c26344d80 --head=86492404f9bd67dda5315d34fed8e707c7efb08f --parallel=1
• linux nx affected --target=build --base=52408960cdfe09492cb4dfcfac1e312c26344d80 --head=86492404f9bd67dda5315d34fed8e707c7efb08f --parallel=3
• linux nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• linux nx affected --target=lint --base=52408960cdfe09492cb4dfcfac1e312c26344d80 --head=86492404f9bd67dda5315d34fed8e707c7efb08f --parallel=3
• nx-cloud record -- nx format:check --base=52408960cdfe09492cb4dfcfac1e312c26344d80 --head=86492404f9bd67dda5315d34fed8e707c7efb08f
• linux nx documentation --no-dte
• macos nx affected -t e2e-macos --parallel=1 --base=52408960cdfe09492cb4dfcfac1e312c26344d80 --head=86492404f9bd67dda5315d34fed8e707c7efb08f

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[github-actions]

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