feat: if updated sts/rs equal current sts/rs, don't create new resource

[Rory-Z]

No description provided.

[codecov]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (e72e717) 78.31% compared to head (c4ffd62) 78.30%.

Files	Patch %	Lines
controllers/apps/v2beta1/add_emqx_core.go	84.00%	3 Missing and 1 partial ⚠️
controllers/apps/v2beta1/add_emqx_repl.go	84.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #985      +/-   ##
==========================================
- Coverage   78.31%   78.30%   -0.02%     
==========================================
  Files          67       67              
  Lines        6060     6056       -4     
==========================================
- Hits         4746     4742       -4     
  Misses       1097     1097              
  Partials      217      217              

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