clean up the sidebar

crates/ui/src/dock/panel.rs

@@ -19,9 +19,6 @@ pub enum PanelEvent {
 
 pub trait Panel: EventEmitter<PanelEvent> + Render + Focusable {
     /// The name of the panel used to serialize, deserialize and identify the panel.
-    ///
-    /// This is used to identify the panel when deserializing the panel.
-    /// Once you have defined a panel id, this must not be changed.
     fn panel_id(&self) -> SharedString;
 
     /// The title of the panel

crates/ui/src/icon.rs

@@ -22,6 +22,7 @@ impl<T: IconNamed> From<T> for Icon {
 pub enum IconName {
     ArrowLeft,
     ArrowRight,
+    ArrowDownCircle,
     Boom,
     Book,
     ChevronDown,
@@ -99,6 +100,7 @@ impl IconNamed for IconName {
         match self {
             Self::ArrowLeft => "icons/arrow-left.svg",
             Self::ArrowRight => "icons/arrow-right.svg",
+            Self::ArrowDownCircle => "icons/arrow-down-circle.svg",
             Self::Boom => "icons/boom.svg",
             Self::Book => "icons/book.svg",
             Self::ChevronDown => "icons/chevron-down.svg",