Connections tree improvements

[anderson4j]

Updates the connection tree with icons like this:

Also adds expanding on left click of a connection, and automatic expansion of the connection node on connection as seen here:

Screen.Recording.2025-03-07.113857.mp4

[changeset-bot]

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Latest commit: f4ea505

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[anderson4j]

The trello card/instruction from Greg mentions turning it blue on being active, but from the design folks I heard we couldnt mess with "official logo" stuff too much, so this was the best he found

[ncordon]

Have you tried if the icons are visible in Windows?

You can generate a .vsix package doing:

cd packages/vscode-extension
npx vsce package

and then installing that VSIX manually when you click on the Marketplace icon in VSCode:

[anderson4j]

Yep, looks like they're still there if I do it this way. How is building/installing with a VSIX file (from the current repo) different from what I get by running the vscode playground in the current repo?