Fix job create without --workspace

(cherry picked from commit 9cac0cf)

Author: BartoszCki

gradient/api_sdk/workspace.py

@@ -39,7 +39,7 @@ def handle(self, input_data):
             return workspace_url  # nothing to do
 
         # Should be removed as soon it won't be necessary by PS_API
-        if workspace_path in ('none', None):
+        if workspace_path == 'none':
             return 'none'
 
         if workspace_archive:

gradient/cli/jobs.py

@@ -144,6 +144,7 @@ def common_jobs_create_options(f):
         click.option(
             "--workspace",
             "workspace",
+            default=".",
             help="Path to workspace directory",
             cls=common.GradientOption,
         ),