GVL vendor id update

[allisonking]

Closes #4242

Description Of Changes

Support vendor ids that are prefixed by gvl.

Code Changes

• Update vendorIsGvl (and rename to vendorGvlEntry since it returns an entry, not a boolean) to look for a prefixed gvl.. This is still backwards compatible so that an id that is just a number will still work too
• Add a cypress test

Steps to Confirm

• Everything should still work! This is another one where, without the backend change, it's hard to see what changed, but the cypress tests provide a case of a vendor with id gvl.1 and things still work properly

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Issue Requirements are Met
• Update CHANGELOG.md

[cypress]

Passing run #4609 ↗︎

0	4	0	0	0
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Details:

Merge 7509f39 into 26ed7e6...
Project: fides	Commit: 97e5a788fe ℹ️
Status: Passed	Duration: 01:17 💡
Started: Oct 12, 2023 8:09 PM	Ended: Oct 12, 2023 8:10 PM

Review all test suite changes for PR #4247 ↗︎

[galvana]

Nice backwards-compatible change! This was useful for me to see more Cypress tests examples. I just have one typo fix recommendation but mostly questions for my understanding.