refactor: tag_object param order

[rpenido]

Description

This PR changes the param order in the tag_content function and the tests accordingly. PS: all function calls at edx-platform use named parameters, so this PR doesn't impact there.

Testing Instructions

• Please ensure that the tests cover the expected behavior

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Private ref: FAL-3621

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[rpenido]

Hi @bradenmacdonald ! This is a small fix that I made when I was developing https://github.com/openedx/modular-learning/issues/180. Can you review it?

[bradenmacdonald]

Does this break anything in edx-platform though? Will we have to make corresponding changes on that side before bumping the version?

[rpenido]

Does this break anything in edx-platform though? Will we have to make corresponding changes on that side before bumping the version?

No. All calls from edx-platform use named parameters.

[openedx-webhooks]

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