Consider summoning each drawer tab directly from icons on left side

[dimitrieh]

Description

Consider summoning each of the tabs directly from icons on the left side instead of common button at top.

Context

From PR #6234 description.

Acceptance Criteria

• [ ] Evaluate approach for direct tab access
• [ ] Implement icon-based tab summoning if approved

[dimitrieh]

Idea to consider instead of the scrolling tabs we now have in the drawer in the immersive editor