fix: mqtt disable subscribe topic

[fengzeroz]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 64.70588% with 6 lines in your changes missing coverage. Please review.

Project coverage is 66.68%. Comparing base (b09bd03) to head (fba83e6).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
plugins/mqtt/mqtt_plugin_intf.c	62.50%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2493      +/-   ##
==========================================
- Coverage   66.91%   66.68%   -0.24%     
==========================================
  Files         121      120       -1     
  Lines       27444    27224     -220     
==========================================
- Hits        18365    18153     -212     
+ Misses       9079     9071       -8     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.