[ISSUE #9642]Adjust acknowledgment logic to handle one slave acknowledgment correctly

[mxsm]

Which Issue(s) This PR Fixes

Fixes #9642

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 47.95%. Comparing base (7ab7ddd) to head (2143577).

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9643      +/-   ##
=============================================
- Coverage      48.11%   47.95%   -0.17%     
+ Complexity     12069    12031      -38     
=============================================
  Files           1313     1313              
  Lines          92837    92837              
  Branches       11868    11868              
=============================================
- Hits           44670    44520     -150     
- Misses         42667    42790     +123     
- Partials        5500     5527      +27     

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