fix: TT-428 solution bug console error dark mode

[ararcos]

Problem
Console error "ERROR TypeError: Cannot read properties of undefined (reading 'enabled')"

Solution
the dark mode component file was modified to fix the console error validating when you do not have the dark mode permissions

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #769 (aa40938) into master (95d1ed3) will increase coverage by 0.18%.
The diff coverage is 98.21%.

@@            Coverage Diff             @@
##           master     #769      +/-   ##
==========================================
+ Coverage   95.64%   95.82%   +0.18%     
==========================================
  Files         107      106       -1     
  Lines        2273     2325      +52     
  Branches      175      181       +6     
==========================================
+ Hits         2174     2228      +54     
+ Misses         54       52       -2     
  Partials       45       45              

Impacted Files	Coverage Δ
...anagement/pages/activities-management.component.ts	100.00% <ø> (ø)
...omponents/customer-list/customer-list.component.ts	98.52% <ø> (-0.03%)	⬇️
src/environments/environment.ts	100.00% <ø> (ø)
...project-list-hover/project-list-hover.component.ts	90.90% <93.33%> (+0.16%)	⬆️
...ponents/details-fields/details-fields.component.ts	96.15% <96.00%> (-0.25%)	⬇️
...omponents/activity-list/activity-list.component.ts	100.00% <100.00%> (ø)
...nents/create-activity/create-activity.component.ts	100.00% <100.00%> (ø)
...ts/projects/components/services/project.service.ts	91.66% <100.00%> (+0.75%)	⬆️
...nents/projects/components/store/project.actions.ts	100.00% <100.00%> (ø)
...nents/projects/components/store/project.effects.ts	100.00% <100.00%> (ø)
... and 10 more

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