Add initiatedBy info to App status field when performing a rollback

[mvgmb]

Closes #9712

[codecov]

Codecov Report

Merging #9713 (e8ce272) into master (6c4a6b7) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #9713   +/-   ##
=======================================
  Coverage   45.78%   45.78%           
=======================================
  Files         226      226           
  Lines       26713    26714    +1     
=======================================
+ Hits        12231    12232    +1     
  Misses      12818    12818           
  Partials     1664     1664           

Impacted Files	Coverage Δ
server/application/application.go	31.46% <100.00%> (+0.06%)	⬆️

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[alexmt]

Thank you!