fix(core): keep decorate-cli script for existing workspace usages

[Coly010]

Current Behavior

Existing workspaces will fail when trying to decorate angular cli as the script was removed

Expected Behavior

Reinstate the script but log a warning

[vercel]

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Name	Status	Preview	Updated
nx-dev	✅ Ready (Inspect)	Visit Preview	Jan 11, 2023 at 9:12PM (UTC)

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✅ Successfully ran 5 targets

• nx affected --target=e2e --base=c8021f706be03a216b14d83add207c59131958b6 --head=b9144622d18e66c116dc4f7a8dc389a5df11486e --exclude=e2e-storybook,e2e-storybook-angular,e2e-react-native,e2e-detox --parallel=1
• nx affected -t test lint --base=c8021f706be03a216b14d83add207c59131958b6 --head=b9144622d18e66c116dc4f7a8dc389a5df11486e --parallel=1
• nx affected --target=build --base=c8021f706be03a216b14d83add207c59131958b6 --head=b9144622d18e66c116dc4f7a8dc389a5df11486e --parallel=3
• nx run-many -t check-imports check-commit check-lock-files root-lint depcheck documentation --parallel=3 --no-dte
• nx-cloud record -- nx format:check --base=c8021f706be03a216b14d83add207c59131958b6 --head=b9144622d18e66c116dc4f7a8dc389a5df11486e

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[github-actions]

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