Address review feedback for Entra Zod migration commands

[Copilot]

Pull Request Title

Address review feedback for Entra Zod migration commands (approleassignment*, enterpriseapp*).

Linked Issue

Linked automatically by the system.

One PR = One Commit

This update focuses only on requested follow-ups from PR review comments and keeps the migration changes coherent and easy to review.

• Schema/test alignment

  • Standardized spec schema acquisition to commandInfo.command.getSchemaToParse() as typeof options
  • Updated enterpriseapp-list.spec.ts to include schema-based validation coverage
  • Added missing invalid combination test in enterpriseapp-get.spec.ts (id + objectId)

• Scopes parsing normalization

  • Updated approleassignment-add.ts and approleassignment-remove.ts to transform scopes in Zod and keep command behavior consistent

• Review follow-up

  • Replied to unresolved review comments with concrete resolution notes

scopes: z.string().transform((value) => value.split(',').map(String)).alias('s')

Per request in the problem statement, changes were confirmed with npm run build and npm test.

New Command = Five Files

No new command was introduced; this PR updates existing command implementations and specs only.

Main Branch Only

Targets main.

Merge Conflicts

No merge conflicts were present while preparing this update.