Autofocus project selector input on open of project list

[edlerd]

Done

• Autofocus project selector input on open of project list

QA

1. Run the LXD-UI:
   • On the demo server via the link posted by @webteam-app below. This is only available for PRs created by collaborators of the repo. Ask @mas-who or @edlerd for access.
   • With a local copy of this branch, run as described here.
2. Perform the following QA steps:
   • open project selector in side navigation with > 5 projects. It should focus on the search input field automatically now, a quality of life improvement to the element

[webteam-app]

Demo starting at https://lxd-ui-664.demos.haus

[mas-who]

LGTM