fix: conditions for select registercenter instance from db

[CeerDecy]

What this PR does / why we need it:

fix conditions for select registercenter instance from db

Which issue(s) this PR fixes:

• Fixes #your-issue_number
• Erda Cloud Issue Link

Specified Reviewers:

/assign @iutx

ChangeLog

Language	Changelog
🇺🇸 English	fix conditions for select registercenter instance from db
🇨🇳 中文	修改查询注册中心实例的查询条件

Need cherry-pick to release versions?

Add comment like /cherry-pick release/1.0 when this PR is merged.

For details on the cherry pick process, see the cherry pick requests section under CONTRIBUTING.md.

[codecov]

Codecov Report

Attention: Patch coverage is 61.53846% with 5 lines in your changes missing coverage. Please review.

Project coverage is 15.63%. Comparing base (f5acecb) to head (0d2eee7).

Files with missing lines	Patch %	Lines
...l/apps/msp/resource/deploy/handlers/mysql/mysql.go	80.00%	1 Missing and 1 partial ⚠️
...nternal/tools/orchestrator/services/addon/addon.go	0.00%	2 Missing ⚠️
...rnal/tools/orchestrator/dbclient/addon_instance.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6445   +/-   ##
=======================================
  Coverage   15.62%   15.63%           
=======================================
  Files        3674     3674           
  Lines      311610   311623   +13     
=======================================
+ Hits        48679    48711   +32     
+ Misses     257473   257448   -25     
- Partials     5458     5464    +6     

Flag	Coverage Δ
by-github-actions	15.63% <61.53%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...rnal/tools/orchestrator/dbclient/addon_instance.go	0.00% <0.00%> (ø)
...l/apps/msp/resource/deploy/handlers/mysql/mysql.go	11.42% <80.00%> (+2.91%)	⬆️
...nternal/tools/orchestrator/services/addon/addon.go	14.53% <0.00%> (-0.02%)	⬇️

... and 6 files with indirect coverage changes