Pass chunks as a parameter to save_array

Some Numpy arrays-like does not have chunks attribute. We should be able
to save chunks of the array somehow. One suggestion is passing the
argument to the function.

Signed-off-by: Julio Faracco <jfaracco@redhat.com>

src/zarr/api/asynchronous.py

@@ -420,7 +420,7 @@ async def save_array(
     if np.isscalar(arr):
         arr = np.array(arr)
     shape = arr.shape
-    chunks = getattr(arr, "chunks", None)  # for array-likes with chunks attribute
+    chunks = kwargs.pop('chunks', getattr(arr, "chunks", None))  # for array-likes with chunks attribute
     overwrite = kwargs.pop("overwrite", None) or _infer_overwrite(mode)
     new = await AsyncArray._create(
         store_path,