[Improvement-15448][api] Use Map to avoid traversing List repeatedly

[Kinsonx]

Purpose of the pull request

Related issue: https://github.com/apache/dolphinscheduler/issues/15448 Using Map to avoid traversing List repeatedly when set userName, defCount for each project

Brief change log

Verify this pull request

This pull request is already covered by existing tests, such as (org.apache.dolphinscheduler.api.controller.ProjectControllerTest#testQueryProjectListPaging).

Pull Request Notice

Pull Request Notice

If your pull request contain incompatible change, you should also add it to docs/docs/en/guide/upgrede/incompatible.md

[boring-cyborg[bot]]

Thanks for opening this pull request! Please check out our contributing guidelines. (https://github.com/apache/dolphinscheduler/blob/dev/docs/docs/en/contribute/join/pull-request.md)

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[boring-cyborg[bot]]

Awesome work, congrats on your first merged pull request!