CASMCMS-8754: Disable nodes more intelligently

src/bos/operators/base.py

@@ -162,9 +162,11 @@ def _update_database(self, components: List[dict], additional_fields: dict=None)
         for component in components:
             patch = {
                 'id': component['id'],
-                'enabled': component['enabled'], # Enabled state overwrites previous state
                 'error': component['error']  # New error, or clearing out old error
             }
+            # Allow operators to disable components.
+            if not component['enabled']:
+                patch['enabled'] = component['enabled']
             if self.name:
                 last_action_data = {
                     'action': self.name,