Reduce spawn_blocking() usage

[eth3lbert]

This is a follow-up PR to #9872 that reduce/remove spawn_blocking() usage :)

[codecov]

Codecov Report

Attention: Patch coverage is 99.25373% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.87%. Comparing base (b1ea000) to head (3583167).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/controllers/user/me.rs	98.73%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9877      +/-   ##
==========================================
- Coverage   88.88%   88.87%   -0.01%     
==========================================
  Files         289      289              
  Lines       30080    30053      -27     
==========================================
- Hits        26738    26711      -27     
  Misses       3342     3342              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.