mqtt: config enable_topic

[fengzeroz]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 89.47368% with 2 lines in your changes missing coverage. Please review.

Project coverage is 66.91%. Comparing base (e161e5a) to head (29eb961).

Files with missing lines	Patch %	Lines
plugins/mqtt/mqtt_config.c	91.66%	1 Missing ⚠️
plugins/mqtt/mqtt_plugin_intf.c	85.71%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2485   +/-   ##
=======================================
  Coverage   66.91%   66.91%           
=======================================
  Files         121      121           
  Lines       27436    27444    +8     
=======================================
+ Hits        18359    18365    +6     
- Misses       9077     9079    +2     

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