remove folder creation logic from thread to resprect optional downloa'; similarly download shutdown depend on optional download

Author: HansVRP

openeo/extra/job_management/_manager.py

@@ -536,8 +536,11 @@ def run_jobs(
             stats["sleep"] += 1
 
 
-        self._worker_pool.shutdown()
-        self._download_pool.shutdown()
+        if self._worker_pool is not None:
+            self._worker_pool.shutdown()
+            
+        if self._download_pool is not None:
+            self._download_pool.shutdown()
 
         return stats
 

openeo/extra/job_management/_thread_worker.py

@@ -157,9 +157,6 @@ def execute(self) -> _TaskResult:
         try:
             job = self.get_connection(retry=True).job(self.job_id)
 
-            # Ensure download directory exists
-            self.download_dir.mkdir(parents=True, exist_ok=True)
-            
             # Download results
             job.get_results().download_files(target=self.download_dir)