Fixed: PlayStore reported a crash for android.app.BackgroundServiceStartNotAllowedException.

[MohitMaliFtechiz]

Fixes #4492

• The crash occurred because the fragment was not visible on the window when attempting to stop the read-aloud service. We improved the service-stopping logic to ensure it is handled correctly when the Compose view is disposed.
• Applied similar improvements to other fragments with the same pattern, ensuring all listeners, callbacks, and services are properly cleaned up at the appropriate lifecycle moment.

[codecov]

Codecov Report

❌ Patch coverage is 74.19355% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 58.90%. Comparing base (7b8f544) to head (b2de21d).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...kiwixmobile/core/main/reader/CoreReaderFragment.kt	68.42%	5 Missing and 1 partial ⚠️
.../destination/library/local/LocalLibraryFragment.kt	83.33%	1 Missing ⚠️
...rg/kiwix/kiwixmobile/core/search/SearchFragment.kt	83.33%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #4493      +/-   ##
============================================
+ Coverage     58.88%   58.90%   +0.02%     
- Complexity     1476     1487      +11     
============================================
  Files           320      320              
  Lines         17055    17081      +26     
  Branches       2128     2128              
============================================
+ Hits          10043    10062      +19     
- Misses         5595     5616      +21     
+ Partials       1417     1403      -14     

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