terminal: Properly apply focus when switching terminal via tabbing hotkey (#53127)

Self-Review Checklist:

- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content is consistent with the [UI/UX
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
- [ ] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Closes #53056.

Release Notes:

- Fixed terminal tabs losing keyboard focus after switching tabs on Linux X11

crates/terminal_view/src/terminal_view.rs

@@ -1356,7 +1356,9 @@ impl Item for TerminalView {
         h_flex()
             .gap_1()
             .group("term-tab-icon")
-            .track_focus(&self.focus_handle)
+            .when(!params.selected, |this| {
+                this.track_focus(&self.focus_handle)
+            })
             .on_action(move |action: &RenameTerminal, window, cx| {
                 self_handle
                     .update(cx, |this, cx| this.rename_terminal(action, window, cx))