- Allow hiding and showing links.
- Show some icon when a link is hidden (see image below).
- Show hidden links that are connected to a selected node or a node within a selected frame.
- When the link is coming from a named reroute socket, display the name on the receiving side (still needs to be explored more).
This is also related to T93291, which will make it much easier to create long-distance links.
Original exploration: https://devtalk.blender.org/t/portal-links-exploration/21306
Proposal from @Erindale (Erindale):
