Internal: Update Elementor Icon [ED-22279]

[nicoladj77]

✨ PR Description

Purpose: Update Elementor brand icon component with simplified SVG path and standardized viewBox dimensions across admin interface.

Main changes:

• Replaced multi-path SVG icon with single-path design and updated viewBox from 24x24 to 21x20
• Refactored TopBarContent to use DynamicIcon component instead of direct SVG import for better maintainability
• Normalized package.json formatting by standardizing indentation for test scripts and devDependencies

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