fix: app crash when a top contact has been removed from the app

[tlebon]

Description

fixes a crash in personal accounts when someones top contact has been deleted from the app.

Checklist

• PR has been self reviewed by the author;
• Hard-to-understand areas of the code have been commented;
• If it is a core feature, unit tests have been added;

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 46.08%. Comparing base (f6c03e0) to head (5d4b00b).
Report is 1 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #17443   +/-   ##
=======================================
  Coverage   46.07%   46.08%           
=======================================
  Files         754      754           
  Lines       24795    24800    +5     
  Branches     5685     5687    +2     
=======================================
+ Hits        11425    11428    +3     
  Misses      11937    11937           
- Partials     1433     1435    +2