fix(@schematics/angular): add missing imports for lifecycle hooks in jasmine-vitest migration

[cexbrayat]

PR Checklist

Please check to confirm your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular-cli/blob/main/CONTRIBUTING.md#-commit-message-guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe:

What is the current behavior?

When using ng g refactor-jasmine-vitest --add-imports the lifecycle hooks of vitest are not imported

Does this PR introduce a breaking change?

• Yes
• No

Other information

[alan-agius4]

These functions are globally available.

[cexbrayat]

If you don't use vitest globals, tests won't compile without importing them, so I think --add-imports should add them.

[clydin]

This PR was merged into the repository. The changes were merged into the following branches:

• main: 43d5dfa
• 21.0.x: 2f58705

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