fix(angular): normalize project name and don't default to npmScope as prefix when it's not a valid html selector

[leosvelperez]

Current Behavior

Numbers are stripped out automatically from project names, and the npmScope is always used as the default prefix regardless of whether it is a valid HTML selector. Angular requires a valid HTML selector as a prefix.

Expected Behavior

Project names should support numbers and they shouldn't be stripped out of the name. The npmScope should be used as the default prefix as long as it is valid. When the npmScope is not a valid HTML selector, we don't provide a default value for it, the developer should provide one if needed or use whatever the Angular CLI schematic defaults to.

Related Issue(s)

Fixes #10067

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• nx affected --target=e2e --base=1fb99fe5410d001cd919c4d1388a524f986e3493 --head=d4c507b678ac7e18141340351ac4f3c63fa39900 --exclude=e2e-storybook,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=test --base=1fb99fe5410d001cd919c4d1388a524f986e3493 --head=d4c507b678ac7e18141340351ac4f3c63fa39900 --parallel=1
• nx affected --target=build --base=1fb99fe5410d001cd919c4d1388a524f986e3493 --head=d4c507b678ac7e18141340351ac4f3c63fa39900 --parallel=3
• nx affected --target=lint --base=1fb99fe5410d001cd919c4d1388a524f986e3493 --head=d4c507b678ac7e18141340351ac4f3c63fa39900 --parallel=3
• nx-cloud record -- yarn nx workspace-lint
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• nx-cloud record -- yarn check-imports

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[Coly010]

LGTM! 🎉

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