PM-14458: Update notifications permissions request

[david-livefront]

🎟️ Tracking

PM-14458

📔 Objective

This PR updates the way we request the notifications permission. Instead of prompting in the vault screen with no context, we not prompt in the Pending Requests Screen.

📸 Screenshots

Screen_recording_20241104_163444.mp4

[codecov]

Codecov Report

Attention: Patch coverage is 93.24324% with 5 lines in your changes missing coverage. Please review.

Project coverage is 89.06%. Comparing base (8f9585e) to head (837afbe).

Files with missing lines	Patch %	Lines
...tsecurity/pendingrequests/PendingRequestsScreen.kt	92.64%	2 Missing and 3 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4229   +/-   ##
=======================================
  Coverage   89.05%   89.06%           
=======================================
  Files         445      445           
  Lines       38700    38747   +47     
  Branches     5412     5414    +2     
=======================================
+ Hits        34464    34509   +45     
- Misses       2359     2361    +2     
  Partials     1877     1877           

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