Switch action dispatch to use MutableAppContext parent utilities and delete parent map from presenter

crates/workspace/src/pane.rs

@@ -441,6 +441,7 @@ impl Pane {
                 pane.active_item_index = usize::MAX;
             };
 
+            cx.reparent(&item);
             pane.items.insert(item_ix, item);
             pane.activate_item(item_ix, activate_pane, focus_item, false, cx);
             cx.notify();

crates/workspace/src/sidebar.rs

@@ -140,6 +140,7 @@ impl Sidebar {
                 }
             }),
         ];
+        cx.reparent(&view);
         self.items.push(Item {
             icon_path,
             tooltip,

crates/workspace/src/status_bar.rs

@@ -81,6 +81,7 @@ impl StatusBar {
     where
         T: 'static + StatusItemView,
     {
+        cx.reparent(&item);
         self.left_items.push(Box::new(item));
         cx.notify();
     }
@@ -89,6 +90,7 @@ impl StatusBar {
     where
         T: 'static + StatusItemView,
     {
+        cx.reparent(&item);
         self.right_items.push(Box::new(item));
         cx.notify();
     }

crates/workspace/src/workspace.rs

@@ -708,6 +708,12 @@ impl Into<AnyViewHandle> for Box<dyn ItemHandle> {
     }
 }
 
+impl Into<AnyViewHandle> for &Box<dyn ItemHandle> {
+    fn into(self) -> AnyViewHandle {
+        self.to_any()
+    }
+}
+
 impl Clone for Box<dyn ItemHandle> {
     fn clone(&self) -> Box<dyn ItemHandle> {
         self.boxed_clone()