Fix Codacy issues

[w3bdesign]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 68.00000% with 8 lines in your changes missing coverage. Please review.

Project coverage is 94.30%. Comparing base (49ca703) to head (c8727d5).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
backend/src/auth/guards/jwt-auth.guard.ts	63.63%	4 Missing ⚠️
backend/src/bookings/bookings.service.ts	63.63%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #257      +/-   ##
==========================================
- Coverage   94.50%   94.30%   -0.21%     
==========================================
  Files          79       79              
  Lines        2093     2106      +13     
  Branches      248      249       +1     
==========================================
+ Hits         1978     1986       +8     
  Misses        114      114              
- Partials        1        6       +5     

Flag	Coverage Δ
backend	93.04% <68.00%> (-0.32%)	⬇️
frontend-customer	96.36% <ø> (ø)

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

Files with missing lines	Coverage Δ
backend/src/auth/guards/roles.guard.ts	100.00% <100.00%> (ø)
backend/src/auth/guards/jwt-auth.guard.ts	91.48% <63.63%> (-8.52%)	⬇️
backend/src/bookings/bookings.service.ts	88.99% <63.63%> (-0.73%)	⬇️

... and 4 files with indirect coverage changes

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud