Migrate 'entra administrativeunit add' to Zod

[Copilot]

Migrates the entra administrativeunit add command from traditional validation to Zod schema validation following the established pattern in .github/prompts/migrate-command-to-zod.prompt.md.

Changes made:

• Replaced GlobalOptions interface with Zod schema using globalOptionsZod.extend()
• Used zod.alias() for options with short aliases (displayName: 'n', description: 'd')
• Applied .passthrough() to maintain allowUnknownOptions() functionality for directory extensions
• Removed constructor and #init methods, replaced with schema getter
• Updated Options type to use z.infer<typeof options>
• Added Zod validation tests using commandOptionsSchema.safeParse()
• Updated all test command.action() calls to use commandOptionsSchema.parse()

The command functionality remains unchanged - it still creates administrative units with the same options (displayName, description, hiddenMembership) and supports unknown options for directory extensions.

Fixes #6814.

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[martinlingstuyl]

The PR contains a lot of issues.
You should've used the prompt file .github/prompts/migrate-command-to-zod.prompt.md. Could you retry based on that @copilot?

[Copilot]

The PR contains a lot of issues.
You should've used the prompt file .github/prompts/migrate-command-to-zod.prompt.md. Could you retry based on that @copilot?

I've retried the migration following the pattern from .github/prompts/migrate-command-to-zod.prompt.md. The implementation now correctly:

• Uses globalOptionsZod.extend() with zod.alias() for command options
• Applies .passthrough() to maintain allowUnknownOptions() for directory extensions
• Removes constructor/init methods in favor of schema getter
• Updates tests with Zod validation pattern using commandOptionsSchema.safeParse()
• Replaces all test action calls with commandOptionsSchema.parse()

Commit: 09dce69