Regression: Re-add app signature migration to fix the faulty previous one

[d-gubert]

Proposed changes (including videos or screenshots)

Previously merged migration files ended up in a faulty migration

Issue(s)

Steps to test or reproduce

Further comments

[codecov]

Codecov Report

Merging #28107 (874cf81) into develop (4b2581d) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop   #28107      +/-   ##
===========================================
+ Coverage    44.88%   44.90%   +0.02%     
===========================================
  Files          766      766              
  Lines        14893    14893              
  Branches      2067     2067              
===========================================
+ Hits          6684     6687       +3     
+ Misses        7918     7915       -3     
  Partials       291      291              

Flag	Coverage Δ
e2e	44.86% <ø> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

[sampaiodiego]

I might be missing something, but the code in both migration seems to be the same, so why would the new one not have the same result?