fix(angular): throw error when npmScope is incorrect

[Coly010]

Current Behavior

We ignore invalid npmScope-based prefixes when generating applications

Expected Behavior

We should error correctly when we fall through to use npmScope and it is invalid

Related Issue(s)

Fixes #

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✅ Successfully ran 11 targets

• nx affected --target=e2e --base=0e47f7e73228d53ed8e1a1fcc06c837dd37e8b1b --head=dcd2576250bcaba9c3490c2b68f25eb15672a175 --exclude=e2e-storybook,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=test --base=0e47f7e73228d53ed8e1a1fcc06c837dd37e8b1b --head=dcd2576250bcaba9c3490c2b68f25eb15672a175 --parallel=1
• nx affected --target=lint --base=0e47f7e73228d53ed8e1a1fcc06c837dd37e8b1b --head=dcd2576250bcaba9c3490c2b68f25eb15672a175 --parallel=3
• nx affected --target=build --base=0e47f7e73228d53ed8e1a1fcc06c837dd37e8b1b --head=dcd2576250bcaba9c3490c2b68f25eb15672a175 --parallel=3
• nx-cloud record -- yarn nx workspace-lint
• nx-cloud record -- yarn documentation
• nx build typedoc-theme
• nx-cloud record -- yarn depcheck
• nx-cloud record -- yarn check-commit
• nx-cloud record -- yarn nx format:check --base=0e47f7e73228d53ed8e1a1fcc06c837dd37e8b1b --head=dcd2576250bcaba9c3490c2b68f25eb15672a175
• nx-cloud record -- yarn check-imports

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1 Ignored Deployment

Name	Status	Preview	Updated
nx-dev	⬜️ Ignored (Inspect)		May 18, 2022 at 0:38AM (UTC)

[leosvelperez]

LGTM! 🎉

[github-actions]

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