[backend] Fix 401 when user not admin and go to page with filters

[damgouj]

Proposed changes

• When an user is not admin, allow him to see pages with filters (like scenarios and simulations)

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 32.41%. Comparing base (0f8cf4e) to head (334672e).
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1620      +/-   ##
============================================
- Coverage     32.43%   32.41%   -0.03%     
+ Complexity     1507     1506       -1     
============================================
  Files           544      544              
  Lines         14071    14071              
  Branches        843      843              
============================================
- Hits           4564     4561       -3     
- Misses         9293     9296       +3     
  Partials        214      214              

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