[SolaceIO] refactor SolaceIO's writers finishBundle

[stankiewicz]

Refactor SolaceIO's writers to block in @FinishBundle until all published persistent messages have received either an acknowledgment (ACK) or a negative acknowledgment (NACK/error) from the Solace broker, up to a timeout.

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[ppawel]

This will increase my project's test suite run by 10x :) Maybe this could be done without sleep, e.g. the waiting thread is woken up as soon as Solace callback with the ack arrives, and then checks the ack queue.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.13%. Comparing base (4fd1744) to head (a1173bb).
⚠️ Report is 96 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #39612      +/-   ##
============================================
+ Coverage     58.12%   58.13%   +0.01%     
- Complexity    13086    13089       +3     
============================================
  Files          2521     2522       +1     
  Lines        264308   264352      +44     
  Branches      10786    10788       +2     
============================================
+ Hits         153616   153670      +54     
+ Misses       104922   104919       -3     
+ Partials       5770     5763       -7     

Flag	Coverage Δ
java	64.26% <ø> (+0.02%)	⬆️

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