Fix depth cloud bounding boxes for depth cloud visualizations with tr…

…ansforms (#5578)

### What

Bounding box was accidentally transformed twice!
Noticed by @roym899 - bounding boxes for depth clouds are still not
perfect since they take the bounding box of the full theoretical frustum
and not the points displayed, but it's a lot better

Before:
<img width="967" alt="image"
src="https://github.com/rerun-io/rerun/assets/1220815/cb2af9e4-a35b-48b3-b76c-793932717690">

After:
<img width="975" alt="image"
src="https://github.com/rerun-io/rerun/assets/1220815/468711fa-fff8-4bb8-b401-9ea54dbfedd8">


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crates/re_renderer/src/renderer/depth_cloud.rs

@@ -168,7 +168,7 @@ pub struct DepthCloud {
 
 impl DepthCloud {
     /// World-space bounding-box.
-    pub fn bbox(&self) -> macaw::BoundingBox {
+    pub fn world_space_bbox(&self) -> macaw::BoundingBox {
         let max_depth = self.max_depth_in_world;
         let w = self.depth_dimensions.x as f32;
         let h = self.depth_dimensions.y as f32;

crates/re_space_view_spatial/src/visualizers/images.rs

@@ -384,8 +384,8 @@ impl ImageVisualizer {
                         Ok(cloud) => {
                             self.data.add_bounding_box(
                                 ent_path.hash(),
-                                cloud.bbox(),
-                                cloud.world_from_rdf,
+                                cloud.world_space_bbox(),
+                                glam::Affine3A::IDENTITY,
                             );
                             self.depth_cloud_entities.insert(ent_path.hash());
                             depth_clouds.push(cloud);