[feat]: Open in VSCode insiders

[matclayton]

Feature Summary

There already is support for opening projects in VSCode, support for VSCode insiders would be very helpful

Problem or Use Case

As someone using AI tools, VSCode Insiders is more likely to support other tools I need, and I can't get to it in one click

Proposed Solution

Add VSCode Insiders alongside VSCode in the Open section

Alternatives Considered

None considered

Additional Context

code-insiders is not code is the binary