Fix Windows incompatibility when using Shaman URLs as job storage path

The Shaman URL check was done on the wrong string, which went unnoticed
on Linux because an URL is a valid file path. However, on Windows this is
not the case, and thus caused problems. This is now fixed.

blender_cloud/flamenco/__init__.py

@@ -271,7 +271,7 @@ def is_file_inside_job_storage(prefs, current_file: typing.Union[str, Path]) ->
 
     if isinstance(current_file, str):
         # Shaman URLs are always remote, so the current file cannot be in there.
-        if is_shaman_url(current_file):
+        if is_shaman_url(prefs.flamenco_job_file_path):
             return False
         current_file = Path(current_file)