optimization: change the configuration file from being read globally …

[FGadvancer]

…to being read independently.

🔍 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 #1930

📝 Special notes for your reviewer:

🎯 Describe how to verify it

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

[codecov]

Codecov Report

Attention: Patch coverage is 16.39344% with 51 lines in your changes are missing coverage. Please review.

Project coverage is 4.63%. Comparing base (c754ec6) to head (04dae35).
Report is 36 commits behind head on main.

Files	Patch %	Lines
internal/msggateway/n_ws_server.go	0.00%	11 Missing ⚠️
internal/msggateway/hub_server.go	0.00%	10 Missing ⚠️
internal/msggateway/callback.go	0.00%	9 Missing ⚠️
internal/msggateway/init.go	0.00%	8 Missing ⚠️
pkg/common/startrpc/start.go	33.33%	6 Missing ⚠️
internal/msggateway/message_handler.go	0.00%	3 Missing ⚠️
pkg/common/prommetrics/prommetrics.go	40.00%	3 Missing ⚠️
pkg/common/discoveryregister/discoveryregister.go	83.33%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main   #1935      +/-   ##
========================================
- Coverage   5.32%   4.63%   -0.70%     
========================================
  Files         43      28      -15     
  Lines       3852    1814    -2038     
========================================
- Hits         205      84     -121     
+ Misses      3634    1720    -1914     
+ Partials      13      10       -3     

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