svg_preview: Remove unnecessary dependency on editor (#43147)

Editor is a choke point in our compilation graph while also being a very
common crate that is being edited. So reducing things that depend on it
will generally improve compilation times for us.

Release Notes:

- N/A *or* Added/Fixed/Improved ...

crates/collab_ui/src/channel_view.rs

@@ -11,7 +11,7 @@ use editor::{
     display_map::ToDisplayPoint, scroll::Autoscroll,
 };
 use gpui::{
-    AnyView, App, ClipboardItem, Context, Entity, EventEmitter, Focusable, Pixels, Point, Render,
+    App, ClipboardItem, Context, Entity, EventEmitter, Focusable, Pixels, Point, Render,
     Subscription, Task, VisualContext as _, WeakEntity, Window, actions,
 };
 use project::Project;
@@ -25,7 +25,7 @@ use util::ResultExt;
 use workspace::{CollaboratorId, item::TabContentParams};
 use workspace::{
     ItemNavHistory, Pane, SaveIntent, Toast, ViewId, Workspace, WorkspaceId,
-    item::{FollowableItem, Item, ItemEvent, ItemHandle},
+    item::{FollowableItem, Item, ItemEvent},
     searchable::SearchableItemHandle,
 };
 use workspace::{item::Dedup, notifications::NotificationId};
@@ -441,11 +441,11 @@ impl Item for ChannelView {
         type_id: TypeId,
         self_handle: &'a Entity<Self>,
         _: &'a App,
-    ) -> Option<AnyView> {
+    ) -> Option<gpui::AnyEntity> {
         if type_id == TypeId::of::<Self>() {
-            Some(self_handle.to_any())
+            Some(self_handle.clone().into())
         } else if type_id == TypeId::of::<Editor>() {
-            Some(self.editor.to_any())
+            Some(self.editor.clone().into())
         } else {
             None
         }