[Access] Add util command to backfill tx error messages db

[UlyanaAndrukhiv]

Closes: #6413

Note: #6468 and #6499 should be merged first.

Context

This pull request introduces a utility command that allows ANs to backfill missing transaction error messages from start to end height and a set of ENs to their local databases. This ensures that historical ANs have the necessary data to serve requests moving forward.

The command accepts a list of EN IDs (execution-node-ids) , if not provided, it defaults to query any available EN. It optionally takes a start and end block height (start-height, end-height); if not provided, it defaults to the root block and latest sealed block.

Before execution, the command checks if AN indexing is enabled. For each failed transaction within the block range, it retrieves and stores the error messages locally. It queries ENs in order and stops after the first successful response.

The command uses GetTransactionErrorMessagesByBlockID for optimized batch retrieval.

Unit tests are included to ensure functionality.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 56.43836% with 318 lines in your changes missing coverage. Please review.

Project coverage is 41.68%. Comparing base (3602aeb) to head (95d3849).

Files with missing lines	Patch %	Lines
storage/mock/transaction_result_error_messages.go	0.00%	86 Missing ⚠️
cmd/access/node_builder/access_node_builder.go	0.00%	68 Missing ⚠️
...e/common/rpc/execution_node_identities_provider.go	68.03%	29 Missing and 10 partials ⚠️
cmd/observer/node_builder/observer_builder.go	0.00%	32 Missing ⚠️
...min/commands/storage/backfill_tx_error_messages.go	76.69%	12 Missing and 12 partials ⚠️
engine/access/ingestion/engine.go	71.42%	15 Missing and 7 partials ⚠️
storage/badger/operation/transaction_results.go	0.00%	22 Missing ⚠️
...torage/badger/transaction_result_error_messages.go	81.48%	10 Missing and 10 partials ⚠️
engine/access/rpc/backend/node_selector.go	25.00%	3 Missing ⚠️
engine/access/rpc/backend/backend_transactions.go	98.50%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6525      +/-   ##
==========================================
+ Coverage   41.28%   41.68%   +0.40%     
==========================================
  Files        2031     2020      -11     
  Lines      145887   144607    -1280     
==========================================
+ Hits        60226    60278      +52     
+ Misses      79442    78083    -1359     
- Partials     6219     6246      +27     

Flag	Coverage Δ
unittests	41.68% <56.43%> (+0.40%)	⬆️

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