feat: ping to retrieve pending messages from server

[abretonc7s]

Explanation

Change the ping method on communication layer to query server for pending messages.

References

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've highlighted breaking changes using the "BREAKING" category above as appropriate

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.98%. Comparing base (19cb78c) to head (8fc0090).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1049      +/-   ##
==========================================
- Coverage   79.03%   78.98%   -0.05%     
==========================================
  Files         179      179              
  Lines        4126     4117       -9     
  Branches     1019     1014       -5     
==========================================
- Hits         3261     3252       -9     
  Misses        865      865              

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[elefantel]

LGTM