Revert change of async init function on InfrahubTransform.

We don't want a value passed into the function that isn't used, and likewise
don't want to change the API for that init function.

Author: Phillip Simonds

infrahub_sdk/transforms.py

@@ -56,7 +56,14 @@ async def init(cls, client: Optional[InfrahubClient] = None, *args: Any, **kwarg
             stacklevel=1,
         )
 
-        return cls(*args, **kwargs)
+        item = cls(*args, **kwargs)
+
+        if client:
+            item.client = client
+        else:
+            item.client = InfrahubClient(address=item.server_url)
+
+        return item
 
     @property
     def branch_name(self) -> str: