Prevent losing tracked attributes when moving to a project (#7863)

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Improved object tracking by adding a new model
`TrackedShapeAttributeVal` for enhanced performance and accuracy.
- Resolved issue of lost tracked attribute values when moving tasks to
projects.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

changelog.d/20240508_092900_sekachev.bs_fixed_tracked_attributes.md

@@ -0,0 +1,4 @@
+### Fixed
+
+- Tracked attribute values are lost when moving a task to a project
+  (<https://github.com/cvat-ai/cvat/pull/7863>)

cvat/apps/engine/serializers.py

@@ -1208,7 +1208,8 @@ def update(self, instance, validated_data):
                     for (model, model_name) in (
                         (models.LabeledTrackAttributeVal, 'track'),
                         (models.LabeledShapeAttributeVal, 'shape'),
-                        (models.LabeledImageAttributeVal, 'image')
+                        (models.LabeledImageAttributeVal, 'image'),
+                        (models.TrackedShapeAttributeVal, 'shape__track')
                     ):
                         model.objects.filter(**{
                             f'{model_name}__job__segment__task': instance,