fix(angular): update getComponentsInfo to filter null values

[johnhwhite]

Fixes the ignorePaths option in @nx/angular:stories generator.

closed #18430

Current Behavior

Running e.g. nx g @nx/angular:stories --name=example-app --ignorePaths='**/app.component.ts' --dry-run throws the error > NX Cannot read properties of undefined (reading 'moduleFolderPath')

Expected Behavior

No error and the generator works.

Related Issue(s)

Fixes #18430

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Name	Status	Preview	Comments	Updated (UTC)
nx-dev	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 2, 2023 4:38am

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✅ Successfully ran 7 targets

• linux nx affected --target=e2e --base=bda51652665181d38894e7ed910151e60176a9be --head=4d33bf709d4fdbda580f33bab675ac1eafdced3f --parallel=1
• linux nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• linux nx affected --target=build --base=bda51652665181d38894e7ed910151e60176a9be --head=4d33bf709d4fdbda580f33bab675ac1eafdced3f --parallel=3
• linux nx affected --target=test --base=bda51652665181d38894e7ed910151e60176a9be --head=4d33bf709d4fdbda580f33bab675ac1eafdced3f --parallel=1
• linux nx affected --target=lint --base=bda51652665181d38894e7ed910151e60176a9be --head=4d33bf709d4fdbda580f33bab675ac1eafdced3f --parallel=3
• nx-cloud record -- nx format:check --base=bda51652665181d38894e7ed910151e60176a9be --head=4d33bf709d4fdbda580f33bab675ac1eafdced3f
• linux nx documentation --no-dte

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[mandarini]

Thanks for the contribution @johnhwhite !

[github-actions]

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