Focus on current bounding-box when resetting camera-eye on a 3D space…

… view (double click it) (#5209)

### What

* Fixes #5204

Bit back and forth on this: Originally also wanted to track the
non-accumulated bounding box when data comes in, but for many scenes
this gets too awkward.

### Checklist
* [x] I have read and agree to [Contributor
Guide](https://github.com/rerun-io/rerun/blob/main/CONTRIBUTING.md) and
the [Code of
Conduct](https://github.com/rerun-io/rerun/blob/main/CODE_OF_CONDUCT.md)
* [x] I've included a screenshot or gif (if applicable)
* [x] I have tested the web demo (if applicable):
* Using newly built examples:
[app.rerun.io](https://app.rerun.io/pr/5209/index.html)
* Using examples from latest `main` build:
[app.rerun.io](https://app.rerun.io/pr/5209/index.html?manifest_url=https://app.rerun.io/version/main/examples_manifest.json)
* Using full set of examples from `nightly` build:
[app.rerun.io](https://app.rerun.io/pr/5209/index.html?manifest_url=https://app.rerun.io/version/nightly/examples_manifest.json)
* [x] The PR title and labels are set such as to maximize their
usefulness for the next release's CHANGELOG
* [x] If applicable, add a new check to the [release
checklist](https://github.com/rerun-io/rerun/blob/main/tests/python/release_checklist)!

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crates/re_space_view_spatial/src/ui.rs

@@ -145,7 +145,7 @@ impl SpatialSpaceViewState {
                         .clicked()
                     {
                         self.bounding_boxes.accumulated = self.bounding_boxes.current;
-                        self.state_3d.reset_camera(&self.bounding_boxes.accumulated, scene_view_coordinates);
+                        self.state_3d.reset_camera(&self.bounding_boxes, scene_view_coordinates);
                     }
                     let mut spin = self.state_3d.spin();
                     if re_ui.checkbox(ui, &mut spin, "Spin")

crates/re_space_view_spatial/src/ui_3d.rs

@@ -92,10 +92,13 @@ fn ease_out(t: f32) -> f32 {
 impl View3DState {
     pub fn reset_camera(
         &mut self,
-        scene_bbox_accum: &BoundingBox,
+        scene_bbox: &SceneBoundingBoxes,
         scene_view_coordinates: Option<ViewCoordinates>,
     ) {
-        self.interpolate_to_orbit_eye(default_eye(scene_bbox_accum, scene_view_coordinates));
+        // Mark as interaction since we want to stop doing any automatic interpolations,
+        // even if this is caused by a full reset.
+        self.last_eye_interaction = Some(Instant::now());
+        self.interpolate_to_orbit_eye(default_eye(&scene_bbox.current, scene_view_coordinates));
         self.tracked_entity = None;
         self.camera_before_tracked_entity = None;
     }
@@ -546,7 +549,7 @@ pub fn view_3d(
                 if space_view_id == &query.space_view_id {
                     state
                         .state_3d
-                        .reset_camera(&state.bounding_boxes.accumulated, scene_view_coordinates);
+                        .reset_camera(&state.bounding_boxes, scene_view_coordinates);
                 }
                 None
             }