Fixes 4913 : Depiction not found despite Wikidata item with that exact name

[Ayan-10]

Description (required)

Fixes #4913

What changes did you make and why?

Handled entities that neither have description nor P31 property to prevent returning an empty list

Tests performed (required)

Tested latest ProdDebug on Pixel 3 with API level 30

[codecov]

Codecov Report

Merging #4933 (b479d9c) into master (7655562) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #4933      +/-   ##
============================================
- Coverage     52.23%   52.22%   -0.02%     
- Complexity     2377     2380       +3     
============================================
  Files           344      344              
  Lines         16268    16275       +7     
  Branches       1429     1429              
============================================
+ Hits           8498     8500       +2     
- Misses         7133     7139       +6     
+ Partials        637      636       -1     

Impacted Files	Coverage Δ
...ee/nrw/commons/explore/depictions/DepictsClient.kt	97.50% <100.00%> (+6.59%)	⬆️
.../nrw/commons/category/CategoryContentProvider.java	12.50% <0.00%> (-14.29%)	⬇️
...w/commons/upload/categories/BaseDelegateAdapter.kt	35.29% <0.00%> (-11.77%)	⬇️
...va/fr/free/nrw/commons/category/CategoriesModel.kt	75.00% <0.00%> (-1.09%)	⬇️
...ns/upload/categories/UploadCategoriesFragment.java	57.53% <0.00%> (-0.69%)	⬇️
.../fr/free/nrw/commons/widget/PicOfDayAppWidget.java	66.00% <0.00%> (+2.00%)	⬆️
...ava/fr/free/nrw/commons/review/ReviewActivity.java	60.13% <0.00%> (+2.79%)	⬆️

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[nicolas-raoul]

It fixes all examples I gave in the issue, thanks!