chore(taosBenchmark): add debugging logs and fix test cases

[YamingPei]

Description

Add debugging logs and fix test cases

Jira: https://jira.taosdata.com:18080/browse/TD-38727

Checklist

Please check the items in the checklist if applicable.

• Is the user manual updated?
• Are the test cases passed and automated?
• Is there no significant decrease in test coverage?

[gemini-code-assist]

Summary of Changes

Hello @YamingPei, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on refining the taosBenchmark tool by enhancing its diagnostic capabilities, correcting existing test configurations, and bolstering the reliability of its TMQ consumer shutdown process. The changes aim to provide clearer operational insights, ensure test accuracy, and improve the tool's resilience against transient issues during consumer closing.

Highlights

• Enhanced Debugging Logs: Added new infoPrint statements in benchUtil.c to log connection closing events and in benchTmq.c for tmq_consumer_close retries, improving visibility into the benchmark tool's operations.
• Test Case Corrections: Fixed an incorrect database name in the tmq_cancel.json test configuration and corrected a typo in log messages within the test_benchmark_tmq.py script.
• Improved TMQ Consumer Robustness: Implemented a retry mechanism for tmq_consumer_close() operations in benchTmq.c, which will attempt to close the consumer again after a 3-second delay if the initial attempt fails.
• Code Formatting Cleanup: Performed extensive cleanup of trailing whitespaces and newline characters across multiple C source files (benchTmq.c and benchUtil.c) to improve code consistency.

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[gemini-code-assist]

Code Review

This pull request adds debugging logs, fixes test cases, and cleans up code style by removing trailing whitespace and inconsistent indentation. The changes improve the overall quality and maintainability of the codebase. I have made a couple of minor suggestions to improve logging clarity and fix a typo.