refactor: Skip deactivated files in directory_reader.py

The code changes in `directory_reader.py` introduce a check to skip files that are located in the `deactivated` folder. This improves the efficiency of the directory reading process by excluding unnecessary files.

src/backend/base/langflow/custom/directory_reader/directory_reader.py

@@ -129,6 +129,10 @@ class DirectoryReader:
         file_list = []
         safe_path_obj = Path(safe_path)
         for file_path in safe_path_obj.rglob("*.py"):
+            # Check if the file is in the folder `deactivated` and if so, skip it
+            if "deactivated" in file_path.parent.name:
+                continue
+
             # The other condtion is that it should be
             # in the safe_path/[folder]/[file].py format
             # any folders below [folder] will be ignored