259 txnAppId and txnVersion are logged with warning

[alexeiakimov]

Description

Fixes #259. Adds a warning entry to the system log if the txnAppId and txnVersion of the requested write are already in the transaction log.

Type of change

This is a UI enhancement, that allows the operators to discover the attempts to write data that was already written before. There are no compatibility issues here.

Checklist:

• New feature / bug fix has been committed following the Contribution guide.
• Add comments to the code (make it easier for the community!).
• Change the documentation.
• Add tests.
• Your branch is updated to the main branch (dependent changes have been merged).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6bdc302) 91.04% compared to head (4ae2b84) 91.05%.
Report is 1 commits behind head on main-1.0.0.

Additional details and impacted files

@@             Coverage Diff             @@
##           main-1.0.0     #260   +/-   ##
===========================================
  Coverage       91.04%   91.05%           
===========================================
  Files              95       95           
  Lines            2557     2559    +2     
  Branches          325      316    -9     
===========================================
+ Hits             2328     2330    +2     
  Misses            229      229           

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