Pause user analytics during login/signup

[andracc]

Resolves #3606

This change is 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.43%. Comparing base (2c93236) to head (f7e599e).
Report is 18 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3621      +/-   ##
==========================================
- Coverage   74.43%   74.43%   -0.01%     
==========================================
  Files         284      284              
  Lines       11054    11053       -1     
  Branches     1356     1355       -1     
==========================================
- Hits         8228     8227       -1     
  Misses       2434     2434              
  Partials      392      392              

Flag	Coverage Δ
backend	83.87% <100.00%> (-0.01%)	⬇️
frontend	66.13% <ø> (ø)

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[imnasnainaec]

Reviewed 1 of 1 files at r1, 3 of 3 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @andracc)