[BUG] FilterKeypoints does not work for embedded fields

[benjaminpkane]

import fiftyone as fo

F = fo.ViewField

dataset = fo.Dataset("filter-keypoints")
dataset.default_skeleton = fo.KeypointSkeleton(
    labels=["top-left", "center", "bottom-right"], edges=[[0, 1, 2]]
)
sample = fo.Sample(
    filepath="image.png",
    keypoint=fo.Keypoint(
        label="keypoint",
        points=[[0, 0], [0.5, 0.5], [1, 1]],
        confidence=[0, 0.5, 1],
        dynamic=["one", "two", "three"],
        tags=["keypoint"],
    ),
    keypoints=fo.Keypoints(
        keypoints=[
            fo.Keypoint(
                label="keypoint",
                points=[[0, 0], [0.5, 0.5], [1, 1]],
                confidence=[0, 0.5, 1],
                dynamic=["one", "two", "three"],
                tags=["keypoints"],
            )
        ]
    ),
    dynamic=fo.DynamicEmbeddedDocument(
        keypoint=fo.Keypoint(
            label="keypoint",
            points=[[0, 0], [0.5, 0.5], [1, 1]],
            confidence=[0, 0.5, 1],
            dynamic=["one", "two", "three"],
            tags=["dynamic.keypoint"],
        ),
        keypoints=[
            fo.Keypoint(
                label="keypoint",
                points=[[0, 0], [0.5, 0.5], [1, 1]],
                confidence=[0, 0.5, 1],
                dynamic=["one", "two", "three"],
                tags=["dynamic.keypoints"],
            )
        ],
    ),
)
dataset.add_sample(sample)
dataset.add_dynamic_sample_fields()

view = dataset
for field in [
    "keypoint",
    "keypoints",
    "dynamic.keypoint",
    "dynamic.keypoints",
]:
    view = view.filter_keypoints(field, labels="top-left")

fo.pprint(view.first())

Out

<SampleView: {
    'id': '64ac98d55ff139d8210151c1',
    'media_type': 'image',
    'filepath': '/Users/benjaminkane/code/scratch/image.png',
    'tags': [],
    'metadata': None,
    'keypoint': <Keypoint: {
        'id': '64ac98d55ff139d8210151bd',
        'attributes': {},
        'tags': ['keypoint'],
        'label': 'keypoint',
        'points': [[0, 0], [nan, nan], [nan, nan]],
        'confidence': [0.0, 0.5, 1.0],
        'index': None,
        'dynamic': ['one', 'two', 'three'],
    }>,
    'keypoints': <Keypoints: {
        'keypoints': [
            <Keypoint: {
                'id': '64ac98d55ff139d8210151be',
                'attributes': {},
                'tags': ['keypoints'],
                'label': 'keypoint',
                'points': [[0, 0], [nan, nan], [nan, nan]],
                'confidence': [0.0, 0.5, 1.0],
                'index': None,
                'dynamic': ['one', 'two', 'three'],
            }>,
        ],
    }>,
    'dynamic': <DynamicEmbeddedDocument: {
        'keypoint': <Keypoint: {
            'id': '64ac98d55ff139d8210151bf',
            'attributes': {},
            'tags': ['dynamic.keypoint'],
            'label': 'keypoint',
            'points': [[0, 0], [0.5, 0.5], [1, 1]],
            'confidence': [0.0, 0.5, 1.0],
            'index': None,
            'dynamic': ['one', 'two', 'three'],
            'keypoint': None,
        }>,
        'keypoints': [
            <Keypoint: {
                'id': '64ac98d55ff139d8210151c0',
                'attributes': {},
                'tags': ['dynamic.keypoints'],
                'label': 'keypoint',
                'points': [[0, 0], [0.5, 0.5], [1, 1]],
                'confidence': [0.0, 0.5, 1.0],
                'index': None,
                'dynamic': ['one', 'two', 'three'],
                'keypoints': [[]],
            }>,
        ],
    }>,
}>

[brimoor]

@benjaminpkane I will patch this