Fix Reliable Topic Exception Handling

[emreyigit]

The TestClusterRestartWhenSubscribed is acting flaky. By suspecting ShouldDisposeAsync to compared to Java counterpart, have changed the tail sequence to head sequence. Semantically, head should be the tail +1 but hoping to fix the flakiness with this change.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 82.65%. Comparing base (d04e048) to head (d622b60).

Files with missing lines	Patch %	Lines
...DistributedObjects/ReliableTopicMessageExecutor.cs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1056      +/-   ##
==========================================
- Coverage   82.69%   82.65%   -0.05%     
==========================================
  Files        1060     1060              
  Lines       25834    25834              
==========================================
- Hits        21364    21353      -11     
- Misses       4470     4481      +11     

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