Fixed: TetherSettings was not found on a device.

[MohitMaliFtechiz]

Fixes #4500

This happened because some devices do not support this explicit intent, as there is no universal direct intent for opening the hotspot screen. A common intent is available for opening the "Wireless settings" screen, so we use that as a fallback. If the device supports the direct intent, the hotspot screen opens directly; otherwise, the Wireless settings screen is opened instead, and the user can turn on the hotspot from there.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 58.95%. Comparing base (55a599a) to head (401e471).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...org/kiwix/kiwixmobile/webserver/ZimHostFragment.kt	0.00%	10 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (70.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #4501      +/-   ##
============================================
- Coverage     59.08%   58.95%   -0.14%     
+ Complexity     1500     1495       -5     
============================================
  Files           319      319              
  Lines         17109    17113       +4     
  Branches       2133     2134       +1     
============================================
- Hits          10109    10089      -20     
- Misses         5600     5615      +15     
- Partials       1400     1409       +9     

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