refactor(@schematics/angular): add trailing commas and remove leading…

[MeAkib]

… commas in component template

Added trailing commas to all component metadata properties in the schematic template to ensure cleaner diffs and consistent formatting. Removed unnecessary leading commas from conditional blocks since each property now ends with a trailing comma.

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?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• Yes
• No

Other information

[clydin]

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

• main: a660d69
• 20.3.x: fdeff17

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}