Mark notifications as read when you read unread messages

[Spuds]

Hopefully, does what is says. If you read unread messages, that have notifications, they will automatically be marked as read.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.52%. Comparing base (796ece4) to head (61ad7a2).
Report is 6 commits behind head on development.

❗ Current head 61ad7a2 differs from pull request most recent head 8e3750d. Consider uploading reports for the commit 8e3750d to get more accurate results

Additional details and impacted files

@@                Coverage Diff                @@
##             development    #3796      +/-   ##
=================================================
+ Coverage          43.38%   43.52%   +0.13%     
- Complexity         13910    13913       +3     
=================================================
  Files                348      348              
  Lines              74774    74823      +49     
=================================================
+ Hits               32442    32565     +123     
+ Misses             42332    42258      -74     

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