Fix mouse clicks on remote-open-folder UI (#19851)

Also change Zed's standard style to use
`.track_focus(&self.focus_handle(cx))`, instead of
`.track_focus(&self.focus_handle)`, to catch these kinds of errors more
easily in the future.

Release Notes:

- N/A

---------

Co-authored-by: Conrad <conrad@zed.dev>

crates/workspace/src/dock.rs

@@ -658,7 +658,7 @@ impl Render for Dock {
 
             div()
                 .key_context(dispatch_context)
-                .track_focus(&self.focus_handle)
+                .track_focus(&self.focus_handle(cx))
                 .flex()
                 .bg(cx.theme().colors().panel_background)
                 .border_color(cx.theme().colors().border)
@@ -689,7 +689,7 @@ impl Render for Dock {
         } else {
             div()
                 .key_context(dispatch_context)
-                .track_focus(&self.focus_handle)
+                .track_focus(&self.focus_handle(cx))
         }
     }
 }
@@ -826,8 +826,8 @@ pub mod test {
     }
 
     impl Render for TestPanel {
-        fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
-            div().id("test").track_focus(&self.focus_handle)
+        fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
+            div().id("test").track_focus(&self.focus_handle(cx))
         }
     }
 

crates/workspace/src/item.rs

@@ -1173,8 +1173,8 @@ pub mod test {
     }
 
     impl Render for TestItem {
-        fn render(&mut self, _: &mut ViewContext<Self>) -> impl IntoElement {
-            gpui::div().track_focus(&self.focus_handle)
+        fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
+            gpui::div().track_focus(&self.focus_handle(cx))
         }
     }
 

crates/workspace/src/pane.rs

@@ -2574,7 +2574,7 @@ impl Render for Pane {
 
         v_flex()
             .key_context(key_context)
-            .track_focus(&self.focus_handle)
+            .track_focus(&self.focus_handle(cx))
             .size_full()
             .flex_none()
             .overflow_hidden()