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

@@ -115,12 +115,17 @@ class CapoInjector:
         path.write_bytes(subspace.content)
         logger.info(f"Writing capo subspace file to {self.dir_path.__str__()}")
 
-    def clear_subspace(self):
+    def clear_subspace(self) -> bool:
         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 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.")
+            return True
+        else:
+            logger.info(f"Directory {self.dir_path.__str__()} has already been cleaned.")
+            return False