feat: client gets list_models, too. (#8425)

When we added `list_models` to `Determined`, we forgot to add it to
`client`. Meant that users got `Determined.get_models` deprecation
notices (via `client.get_models`) that they couldn't do anything about.

MLG-1301

(cherry picked from commit 2e0a5a2)

harness/determined/experimental/client.py

@@ -436,6 +436,47 @@ def get_models(
     return _determined.get_models(sort_by, order_by, name, description)
 
 
+@_require_singleton
+def list_models(
+    sort_by: ModelSortBy = ModelSortBy.NAME,
+    order_by: OrderBy = OrderBy.ASCENDING,
+    name: Optional[str] = None,
+    description: Optional[str] = None,
+    model_id: Optional[int] = None,
+    workspace_names: Optional[List[str]] = None,
+    workspace_ids: Optional[List[int]] = None,
+) -> List[Model]:
+    """Get a list of all models in the model registry.
+
+    Arguments:
+        sort_by: Which field to sort by. See :class:`~determined.experimental.ModelSortBy`.
+        order_by: Whether to sort in ascending or descending order. See
+            :class:`~determined.experimental.OrderBy`.
+        name: If this parameter is set, models will be filtered to only
+            include models with names matching this parameter.
+        description: If this parameter is set, models will be filtered to
+            only include models with descriptions matching this parameter.
+        model_id: If this parameter is set, models will be filtered to
+            only include the model with this unique numeric id.
+        workspace_names: Only return models with names in this list.
+        workspace_ids: Only return models with workspace IDs in this list.
+
+    Returns:
+        A list of :class:`~determined.experimental.client.Model` objects matching any passed
+        filters.
+    """
+    assert _determined is not None
+    return _determined.list_models(
+        sort_by=sort_by,
+        order_by=order_by,
+        name=name,
+        description=description,
+        model_id=model_id,
+        workspace_names=workspace_names,
+        workspace_ids=workspace_ids,
+    )
+
+
 @_require_singleton
 def get_model_labels() -> List[str]:
     """Get a list of labels used on any models in the model registry.