[Backend] Add Required Notice Key to Privacy Notices

[pattisdr]

Closes #3281
❗ Contains migration

Description Of Changes

We need a key for each notice which will be exposed via the Fides consent cookie and the consent object for third parties to use when deciding to load scripts and pixes.

We want a notice key in the database. Out of the box we will pre-populate this but then we can edit it as needed. We will likely add some frontend UX to discourage changing this key. An important criteria right now is that the keys are not unique.

Internal context here

Code Changes

• Add new required PrivacyNotice.notice_key field that needs to be a fides key
• Migrate any existing notices in the db to have this field from a lower cased underscored name
• Now required in the request to create a PrivacyNotice

Steps to Confirm

• In Postman the Post privacy notices should be supplied a notice key. If none supplied, I create one.

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

[cypress]

Passing run #2110 ↗︎

0	4	0	0	0
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Details:

Merge 5d861c0 into 28f5b3c...
Project: fides	Commit: 97ce11a530 ℹ️
Status: Passed	Duration: 00:58 💡
Started: May 22, 2023 7:58 PM	Ended: May 22, 2023 7:58 PM

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (00caa4c) 87.07% compared to head (5d861c0) 87.08%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3337   +/-   ##
=======================================
  Coverage   87.07%   87.08%           
=======================================
  Files         313      313           
  Lines       18970    18988   +18     
  Branches     2473     2475    +2     
=======================================
+ Hits        16519    16536   +17     
- Misses       2009     2010    +1     
  Partials      442      442           

Impacted Files	Coverage Δ
.../api/service/connectors/consent_email_connector.py	97.14% <ø> (ø)
src/fides/api/models/privacy_notice.py	99.00% <100.00%> (+0.04%)	⬆️
src/fides/api/schemas/privacy_notice.py	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

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[allisonking]

this looks great! let's coordinate on FE changes...

[pattisdr]

OK @allisonking I'm creating the notice key if not supplied here as a temporary measure to move this forward.

[allisonking]

perfect, thanks @pattisdr !!