fix: wrap the fsspec fs in an AsyncWrapper also if it is called with asynchronouos=False

Author: Nils-Arne Dreier

src/zarr/storage/_fsspec.py

@@ -94,7 +94,7 @@ def __init__(
         self.path = path
         self.allowed_exceptions = allowed_exceptions
 
-        if not self.fs.async_impl:
+        if not self.fs.async_impl or not self.fs.asynchronous:
             raise TypeError("Filesystem needs to support async operations.")
         if not self.fs.asynchronous:
             warnings.warn(