[Feature]: Rivet recordings - enhanced playback options

[meeow]

Feature Request

One or more of the following:

• Pause/rewind/fastforward recording playback
• Ability to manualy step one node at a time on left/right keypress instead of real-time playback only
• (bonus) display currently executing nodes in sidebar. Click to jump to the subgraph the node is located in

Code of Conduct

• [X] I agree to follow this project's Code of Conduct