feat(core): warn when broadcast with channels but not found

[MirrorCY]

No description provided.

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (a82c25f) 88.52% compared to head (f3ff45e) 88.45%.

Files	Patch %	Lines
packages/core/src/database.ts	44.44%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1349      +/-   ##
==========================================
- Coverage   88.52%   88.45%   -0.08%     
==========================================
  Files          37       37              
  Lines        5379     5386       +7     
  Branches     1072     1072              
==========================================
+ Hits         4762     4764       +2     
- Misses        617      622       +5     

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