Rework tab and escape key handling in search panel

Fixes
https://linear.app/zed-industries/issue/Z-1238/focus-the-results-multibuffer-in-project-search-on-esc

and adds a tab shortcut for project search inputs

co-authored-by: Julia <julia@zed.dev>
0e31d13a1eKirill Bulatov committed on 5/10/2023, 8:11:31 AM· committed by Kirill Bulatovparent3da55c1
2 files changedLine totals unavailable