Fix #4930 : change the nearby bookmark icon color

[JackyLiang522]

Description (required)

Fixes #4930

The original black icon cannot be seen in the dark theme. The icon color is then changed to orange so that it is visible in both themes.

Tests performed (required)

Screenshots (for UI changes only)
Light theme:

Dark theme:

[misaochan]

LGTM

[codecov]

Codecov Report

Merging #4932 (5435352) into master (0d25c24) will increase coverage by 0.73%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #4932      +/-   ##
============================================
+ Coverage     51.42%   52.15%   +0.73%     
- Complexity     2327     2376      +49     
============================================
  Files           345      344       -1     
  Lines         16194    16268      +74     
  Branches       1430     1429       -1     
============================================
+ Hits           8327     8485     +158     
+ Misses         7236     7151      -85     
- Partials        631      632       +1     

Impacted Files	Coverage Δ
...w/commons/upload/categories/CategoriesPresenter.kt	66.66% <0.00%> (-33.34%)	⬇️
...ns/upload/categories/UploadCategoriesFragment.java	58.21% <0.00%> (-30.19%)	⬇️
...a/fr/free/nrw/commons/OkHttpConnectionFactory.java	52.27% <0.00%> (-20.46%)	⬇️
...xplore/depictions/WikidataItemDetailsActivity.java	71.90% <0.00%> (-0.46%)	⬇️
...va/fr/free/nrw/commons/explore/SearchActivity.java	86.36% <0.00%> (-0.25%)	⬇️
...e/nrw/commons/explore/ExploreListRootFragment.java	91.95% <0.00%> (-0.19%)	⬇️
...ategory/CategoryEditSearchRecyclerViewAdapter.java
...ee/nrw/commons/media/MediaDetailPagerFragment.java	25.00% <0.00%> (+0.12%)	⬆️
...nrw/commons/description/DescriptionEditActivity.kt	88.09% <0.00%> (+0.14%)	⬆️
...e/nrw/commons/upload/UploadMediaDetailAdapter.java	61.50% <0.00%> (+0.19%)	⬆️
... and 13 more

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[nicolas-raoul]

Thanks Justin!