fix type search on mysql model

[shiyiyue1102]

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What is the purpose of the change

fix type search on mysql model

Brief changelog

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Verifying this change

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[github-actions]

Thanks for your this PR. 🙏
Please check again for your PR changes whether contains any usage/api/configuration change such as Add new API , Add new configuration, Change default value of configuration.
If so, please add or update documents(markdown type) in docs/next/ for repository nacos-group/nacos-group.github.io

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感谢您提交的PR。 🙏
请再次查看您的PR内容，确认是否包含任何使用方式/API/配置参数的变更，如：新增API、新增配置参数、修改默认配置等操作。
如果是，请确保在提交之前，在仓库nacos-group/nacos-group.github.io中的docs/next/目录下添加或更新文档（markdown格式）。

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 72.24%. Comparing base (e2d44f2) to head (1a05d97).
Report is 16 commits behind head on develop.

Files with missing lines	Patch %	Lines
...datasource/impl/mysql/ConfigInfoMapperByMySql.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #12875      +/-   ##
=============================================
- Coverage      72.63%   72.24%   -0.40%     
- Complexity      9802     9826      +24     
=============================================
  Files           1278     1287       +9     
  Lines          41015    41445     +430     
  Branches        4330     4373      +43     
=============================================
+ Hits           29792    29942     +150     
- Misses          9159     9402     +243     
- Partials        2064     2101      +37     

Files with missing lines	Coverage Δ
...datasource/impl/mysql/ConfigInfoMapperByMySql.java	68.75% <0.00%> (ø)

... and 109 files with indirect coverage changes

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[wuyfee]

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