Add image dimension and file size information (#21675)

Closes https://github.com/zed-industries/zed/issues/21281

@jansol, kindly take a look when you're free.


![image](https://github.com/user-attachments/assets/da9a54fa-6284-4012-a243-7e355a5290d3)

Release Notes:

- Added dimensions and file size information for images.

---------

Co-authored-by: tims <0xtimsb@gmail.com>
Co-authored-by: Marshall Bowers <git@maxdeviant.com>

crates/project/src/project.rs

@@ -2075,8 +2075,25 @@ impl Project {
             return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
         }
 
-        self.image_store.update(cx, |image_store, cx| {
+        let open_image_task = self.image_store.update(cx, |image_store, cx| {
             image_store.open_image(path.into(), cx)
+        });
+
+        let weak_project = cx.entity().downgrade();
+        cx.spawn(move |_, mut cx| async move {
+            let image_item = open_image_task.await?;
+            let project = weak_project
+                .upgrade()
+                .ok_or_else(|| anyhow!("Project dropped"))?;
+
+            let metadata =
+                ImageItem::load_image_metadata(image_item.clone(), project, &mut cx).await?;
+            image_item.update(&mut cx, |image_item, cx| {
+                image_item.image_metadata = Some(metadata);
+                cx.emit(ImageItemEvent::MetadataUpdated);
+            })?;
+
+            Ok(image_item)
         })
     }