Update feature: project-miniplayer

[txruno]

• New feature: Draggable mini player
• Change: Changed feature options from toggle to option select
• Fix: Fixed issue where flash still occurred at the boundary between the player and comment section
• Fix: Fixed issue where the mini player overlapped with the header
• Fix: Fixed issue where alerts were displayed at the top of the mini player

Before

project-miniplayer_scratch-tools-4-2-0.mp4

After

project-miniplayer_scratch-tools-4-3-0.mp4

[MaterArc]

Thanks! LGTM