* [ ] 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).
Original exploration: https://devtalk.blender.org/t/portal-links-exploration/21306
Proposal from @Erindale:
{F11848477}