Remove form validation to allow both email & phone inputs for consent requests

[NevilleS]

Code Changes

• Remove form logic that would force only a single phone or email input to be provided

Steps to Confirm

• Configure privacy center with both phone and email inputs as optional for consent requests
• Test all permutations:
  • Neither email nor phone
  • Only email
  • Only phone
  • Both email and phone

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • documentation complete, PR opened in fidesdocs
  • documentation issue created in fidesdocs
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md
• For API changes, the Postman collection has been updated

Description Of Changes

In #3432 we reintroduced the ability to collect multiple identity inputs on consent requests, which reversed most of the changes in #2539

However, even though #3432 restored the ability to collect both email & phone, it didn't remove the form validation, so if you tried to type in both the email & phone fields they would still disable each other!

For example, this screenshot shows where I've typed in the email field, but the phone number field then gets disabled:

This change just removes that isDisabled logic to allow both fields to be populated simultaneously.

[cypress]

Passing run #2618 ↗︎

0	4	0	0	0
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Details:

Merge 8c4c147 into c776827...
Project: fides	Commit: 89c1063697 ℹ️
Status: Passed	Duration: 00:50 💡
Started: Jun 11, 2023 10:14 PM	Ended: Jun 11, 2023 10:14 PM

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