chore: improve chat panel

crates/ui/src/dock_area/dock.rs

@@ -1,5 +1,5 @@
 use gpui::{
-    div, prelude::FluentBuilder as _, px, AnyView, App, AppContext, Axis, Context, Element, Entity,
+    div, prelude::FluentBuilder as _, px, App, AppContext, Axis, Context, Element, Entity,
     InteractiveElement as _, IntoElement, MouseMoveEvent, MouseUpEvent, ParentElement as _, Pixels,
     Point, Render, StatefulInteractiveElement, Style, Styled as _, WeakEntity, Window,
 };
@@ -374,9 +374,7 @@ impl Render for Dock {
             })
             .map(|this| match &self.panel {
                 DockItem::Split { view, .. } => this.child(view.clone()),
-                DockItem::Tabs { view, .. } => {
-                    this.child(AnyView::from(view.clone()).cached(cache_style))
-                }
+                DockItem::Tabs { view, .. } => this.child(view.clone()),
                 DockItem::Panel { view, .. } => this.child(view.clone().view().cached(cache_style)),
             })
             .child(self.render_resize_handle(window, cx))
@@ -432,14 +430,20 @@ impl Element for DockElement {
         _: &mut Self::RequestLayoutState,
         _: &mut Self::PrepaintState,
         window: &mut gpui::Window,
-        _: &mut App,
+        cx: &mut App,
     ) {
         window.on_mouse_event({
             let view = self.view.clone();
+            let is_resizing = view.read(cx).is_resizing;
             move |e: &MouseMoveEvent, phase, window, cx| {
-                if phase.bubble() {
-                    view.update(cx, |view, cx| view.resize(e.position, window, cx))
+                if !is_resizing {
+                    return;
                 }
+                if !phase.bubble() {
+                    return;
+                }
+
+                view.update(cx, |view, cx| view.resize(e.position, window, cx))
             }
         });