Even more DRep search improvements #4030

[Ojly]

List of changes

• Add new configuration property in backend "dreplistcachedurationseconds" - set by default to 600 (10 minutes).
• Use new cache duration property value for drepList.
• Change padding-right from 24px to 8px on page size value in pagination.
• Change select arrow icon to be clickable and open select the same way clicking on the page size value does.

Checklist

• DRep search improvements #4030
• My changes generate no new warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the changelog
• I have added tests that prove my fix is effective or that my feature works

[github-actions]

✅ All checks succeeded

[github-actions]

✅ All checks succeeded

[github-actions]

✅ All checks succeeded

[github-actions]

@Ojly
This PR is in the tag: develop-012046bcea04373fcd101e5ca35a7d83cdc1b7b2 , for govtool-metadata-validation service

[github-actions]

@Ojly
This PR is in the tag: develop-012046bcea04373fcd101e5ca35a7d83cdc1b7b2 , for govtool-backend service

[github-actions]

@Ojly
This PR is in the tag: develop-012046bcea04373fcd101e5ca35a7d83cdc1b7b2 , for govtool-frontend service