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/editor/src/editor_tests.rs

@@ -26983,7 +26983,7 @@ async fn test_non_utf_8_opens(cx: &mut TestAppContext) {
         .unwrap();
 
     assert_eq!(
-        handle.to_any().entity_type(),
+        handle.to_any_view().entity_type(),
         TypeId::of::<InvalidItemView>()
     );
 }