fix(meta fragment): include optional name

[easen-amp]

Pull request checklist

Please check if your PR fulfills the following requirements:

• Tests (npm run test) for the changes have been added (for bug fixes / features)
• Build (npm run build) was run locally and any changes were pushed
• Docs (npm run doc) have been reviewed and added / updated if needed (for bug fixes / features)
• PR title and git commit messages conform to the conventionalcommits specification

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

name is omitted from the _meta object for a content item

What is the new behavior?

• name is included if it's supplied

Does this introduce a breaking change?

• Yes
• No

Other information

[github-actions]

Pull Request Test Coverage Report for Build 6615238457

• 7 of 7 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.03%) to 92.823%

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Totals
Change from base Build 6615178190:	0.03%
Covered Lines:	673
Relevant Lines:	701

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💛 - Coveralls