enhance: adding the msgchannel section in generated yaml

[tedxu]

See #32168

[congqixia]

/lgtm

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.45%. Comparing base (0868a97) to head (261eb27).
Report is 2 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #35466       +/-   ##
===========================================
- Coverage   84.86%   72.45%   -12.42%     
===========================================
  Files         947     1225      +278     
  Lines      119935   143925    +23990     
===========================================
+ Hits       101787   104279     +2492     
- Misses      13717    35199    +21482     
- Partials     4431     4447       +16     

Files	Coverage Δ
pkg/util/paramtable/component_param.go	98.50% <100.00%> (+0.01%)	⬆️

... and 310 files with indirect coverage changes