fix(angular): expand extends property when reading nx.json in the angular cli adapter

[leosvelperez]

Current Behavior

Expected Behavior

Related Issue(s)

Fixes #10138

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✅ Successfully ran 12 targets

• nx affected --target=build --base=e212cb9fe143759b6e9afd3a87ba8312251bc3ce --head=359ff35e52522bf4229dc95c7855f22c566e0641 --parallel=3
• nx affected --target=e2e --base=e212cb9fe143759b6e9afd3a87ba8312251bc3ce --head=359ff35e52522bf4229dc95c7855f22c566e0641 --exclude=e2e-detox,e2e-js,e2e-next,e2e-workspace-create,e2e-workspace-integrations,e2e-workspace-core,e2e-react,e2e-web,e2e-angular-extensions,e2e-angular-core,e2e-cli,e2e-nx-plugin,e2e-cypress,e2e-node,e2e-linter,e2e-jest,e2e-a...
• nx affected --target=e2e --base=e212cb9fe143759b6e9afd3a87ba8312251bc3ce --head=359ff35e52522bf4229dc95c7855f22c566e0641 --exclude=e2e-storybook,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=lint --base=e212cb9fe143759b6e9afd3a87ba8312251bc3ce --head=359ff35e52522bf4229dc95c7855f22c566e0641 --parallel=3
• nx affected --target=test --base=e212cb9fe143759b6e9afd3a87ba8312251bc3ce --head=359ff35e52522bf4229dc95c7855f22c566e0641 --parallel=1
• nx build typedoc-theme
• nx-cloud record -- yarn check-commit
• nx-cloud record -- yarn check-imports
• nx-cloud record -- yarn depcheck
• nx-cloud record -- yarn documentation
• nx-cloud record -- yarn nx format:check --base=e212cb9fe143759b6e9afd3a87ba8312251bc3ce --head=359ff35e52522bf4229dc95c7855f22c566e0641
• nx-cloud record -- yarn nx workspace-lint

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Name	Status	Preview	Updated
nx-dev	✅ Ready (Inspect)	Visit Preview	May 5, 2022 at 1:39PM (UTC)

[AgentEnder]

LGTM 🎉

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