fix: dissmissGroup and lack of keyword bug

[luhaoling]

🔍 What type of PR is this?

👀 What this PR does / why we need it:

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

🅰 Which issue(s) this PR fixes:

Fixes #1672

📝 Special notes for your reviewer:

🎯 Describe how to verify it

📑 Additional documentation e.g., RFC, notion, Google docs, usage docs, etc.:

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.

[codecov]

Codecov Report

Attention: 65 lines in your changes are missing coverage. Please review.

Comparison is base (16bc053) 5.12% compared to head (d8fa711) 5.12%.
Report is 13 commits behind head on release-v3.5.

Files	Patch %	Lines
internal/msggateway/n_ws_server.go	0.00%	65 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-v3.5   #1678      +/-   ##
===============================================
- Coverage          5.12%   5.12%   -0.01%     
===============================================
  Files                42      42              
  Lines              3782    3789       +7     
===============================================
  Hits                194     194              
- Misses             3577    3584       +7     
  Partials             11      11              

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