Guard exceptions in on notification

[thecode]

#782 (comment)

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 38.48%. Comparing base (b6dd433) to head (517dd68).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
aioshelly/rpc_device/wsrpc.py	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #784      +/-   ##
==========================================
- Coverage   38.56%   38.48%   -0.08%     
==========================================
  Files          15       15              
  Lines        1504     1507       +3     
==========================================
  Hits          580      580              
- Misses        924      927       +3     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[thecode]

Thanks!