Move to the database at the very end of a task

cpp/task_queue.cpp

@@ -164,7 +164,6 @@ void TaskQueue::worker_thread() {
 
         {
             // Remove the task from running_tasks_
-            task_to_execute->save(0);
             std::lock_guard<std::mutex> lock(running_tasks_mutex_);
             int id = task_to_execute->id;
             auto running_task_it = std::find_if(running_tasks_.begin(), running_tasks_.end(),
@@ -186,5 +185,8 @@ void TaskQueue::worker_thread() {
                 running_pkgconfs_.erase(running_pkgconf_it);
             }
         }
+
+        // Save to the database at the end
+        task_to_execute->save(0);
     }
 }