Waffles Part 2: Move waffle switches to django-waffle 🧇

[robhudson]

One-line summary

See #15195 for Part 1.

This is Part 2 after Part 1 is deployed and the import has been run.

• I used an AI to write some of this code.

Significant changes and points to review

Issue / Bugzilla link

#15157

Testing

[codecov]

Codecov Report

Attention: Patch coverage is 42.30769% with 15 lines in your changes missing coverage. Please review.

Project coverage is 78.34%. Comparing base (2df9c9b) to head (ba611bd).

Files with missing lines	Patch %	Lines
...base/management/commands/import_waffle_switches.py	0.00%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #15229      +/-   ##
==========================================
+ Coverage   77.88%   78.34%   +0.45%     
==========================================
  Files         163      162       -1     
  Lines        8480     8358     -122     
==========================================
- Hits         6605     6548      -57     
+ Misses       1875     1810      -65     

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[robhudson]

@stevejalim, @pmac Flagged for review, but probably best to review by commit since this branch is based on the part-1 branch. So you'll see both in the "Files changed" view.

[pmac]

🧇