Fixed: Kiwix opens in the Samsung file navigator.

[MohitMaliFtechiz]

Fixes #4048

• We are now using the singleInstance launch mode instead of singleTop to prevent Kiwix from opening within the file manager.
• Improved the handling of the GET_CONTENT shortcut(it was not properly working if the application was in the background).

XRecorder_06112024_183552.mp4

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 57.96%. Comparing base (4c773e2) to head (071dc96).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...va/org/kiwix/kiwixmobile/main/KiwixMainActivity.kt	60.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #4058      +/-   ##
============================================
+ Coverage     57.81%   57.96%   +0.14%     
- Complexity     1515     1518       +3     
============================================
  Files           315      315              
  Lines         13161    13164       +3     
  Branches       1676     1675       -1     
============================================
+ Hits           7609     7630      +21     
+ Misses         4455     4441      -14     
+ Partials       1097     1093       -4     

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[kelson42]

@MohitMaliFtechiz Lint does not pass

[MohitMaliFtechiz]

@MohitMaliFtechiz Lint does not pass

@kelson42 It is due to #4052. I will place a fix for this issue on upstream.