Fix Layout Builder style of Dark by the Gin Admin them over Claro and Bootstrap ~5.3.0 and the Dark style by Bootstrap Styles module

Problem/Motivation

Having may conflicting styling in the off-canvas and block modal

• Layout Builder core styling for the Layout Builder
• Drupal core Claro style for the layout builder
• Layout Builder style of Dark by the Gin Admin them
• Bootstrap ~5.3.0 at the front-end theme with Light and Dark variables
• The Dark style by Bootstrap Styles module

Proposed resolution

• Fix styles in off canvas
• Fix styles in the modal widget

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
• ✅ 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 10.0.0-beta1, varbase_layout_builder-10.1.0-alpha8

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 #3377592: Fixed Layout Builder style of Dark by the Gin Admin them over Claro and Bootstrap ~5.3.0 and the Dark style by Bootstrap Styles module