style(AngularPublic): add missing whitespaces

[ssergio198]

Request Type: refactor

How to reproduce:

Component(s): misc core

Impact: small

Complexity: small

This issue is related to:

Detailed Description:

Other Comments:

Added missing whitespaces in publishExternalAPI function

[mary-poppins]

Thanks for the PR! Please check the items below to help us merge this faster. See the contributing docs for more information.

• Uses the issue template (#8360)

If you need to make changes to your pull request, you can update the commit with git commit --amend.
Then, update the pull request with git push -f.

Thanks again for your help!

[mary-poppins]

I'm sorry, but I wasn't able to verify your Contributor License Agreement (CLA) signature. CLA signature is required for any code contributions to AngularJS.

Please sign our CLA and ensure that the CLA signature email address and the email address in this PR's commits match.

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