Feature flag work item creation

[tevoinea]

Summary of the Pull Request

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PR Checklist

• Applies to work item: #xxx
• CLA signed. If not, go over here and sign the CLI.
• Tests added/passed
• Requires documentation to be updated
• I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Info on Pull Request

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Validation Steps Performed

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[codecov-commenter]

Codecov Report

Merging #3353 (94181dc) into main (f144544) will decrease coverage by 1.14%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #3353      +/-   ##
==========================================
- Coverage   31.69%   30.55%   -1.14%     
==========================================
  Files         308      133     -175     
  Lines       37615    14317   -23298     
==========================================
- Hits        11921     4375    -7546     
+ Misses      25694     9942   -15752     

Files Changed	Coverage Δ
...ce/ApiService/onefuzzlib/NotificationOperations.cs	24.79% <0.00%> (ø)

... and 175 files with indirect coverage changes