Wrap dask.array by default since it is not Array API Compatible

Author: lithomas1

array_api_compat/common/_helpers.py

@@ -521,11 +521,14 @@ def your_function(x, y):
                 import torch
                 namespaces.add(torch)
         elif is_dask_array(x):
-            if _use_compat:
+            # dask main namespace is not array APi compatible
+            # so return namespace from array-api-compat unless
+            # explicitly requested otherwise
+            if _use_compat or _use_compat is None:
                 _check_api_version(api_version)
                 from ..dask import array as dask_namespace
                 namespaces.add(dask_namespace)
-            else:
+            elif _use_compat is False:
                 import dask.array as da
                 namespaces.add(da)
         elif is_jax_array(x):