catch the case where directory no longer exists

sometimes people do stupid things. Stupid things should not cause functionality failures.

shared/workspaces/workspaces/workflow/services/remote_processing_service.py

@@ -117,10 +117,13 @@ class CapoInjector:
 
     def clear_subspace(self):
         logger.info(f"Clearing capo subspace file from {self.dir_path.__str__()}...")
-        for file in os.listdir(self.dir_path):
-            if file.endswith(".properties"):
-                Path.unlink(self.dir_path / file)
-
-        check = glob.glob("*.properties")
-        if check is None:
-            logger.info("Capo subspace cleared successfully.")
+        if Path(self.dir_path).exists():
+            for file in os.listdir(self.dir_path):
+                if file.endswith(".properties"):
+                    Path.unlink(self.dir_path / file)
+
+            check = glob.glob("*.properties")
+            if check is None:
+                logger.info("Capo subspace cleared successfully.")
+        else:
+            logger.info(f"Directory {self.dir_path} has already been cleaned.")