Fix the styling of the admin editing the Configure Block Style tab in the modal dialog

Problem/Motivation

There is an unneeded white border around each option, and the arrow only appears when it is hovered over or active

Steps to reproduce

1- Edit the layout of any landing page.
2- Adding a new block within any section.
3- Click the Style tab.

Proposed resolution

Bring the default style integration with Gin Dark, and Claro Dark and the default Bootstrap Styles integrated style

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ✅ UX/UI designer responsibilities
• ✅ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ✅ Release varbase-10.0.1, varbase_layout_builder-10.1.2

Varbase update type

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

After the fix:

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• Issue #3463558 by Lubna hmeid: Fixed the styling of the admin editing the Configure Block Style tab in the modal dialog