Bump @angular/cli from 8.3.25 to 9.0.0 in /src/UI/Safir.Angular

Bumps [@angular/cli](https://github.com/angular/angular-cli) from 8.3.25 to 9.0.0.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](angular/angular-cli@v8.3.25...v9.0.0)

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