IntentManager should take into account disabled extruders

CURA-6891

cura/Settings/IntentManager.py

@@ -78,6 +78,8 @@ class IntentManager(QObject):
         final_intent_ids = set()  # type: Set[str]
         current_definition_id = global_stack.definition.getId()
         for extruder_stack in global_stack.extruderList:
+            if not extruder_stack.isEnabled:
+                continue
             nozzle_name = extruder_stack.variant.getMetaDataEntry("name")
             material_id = extruder_stack.material.getMetaDataEntry("base_file")
             final_intent_ids |= {metadata["id"] for metadata in self.intentMetadatas(current_definition_id, nozzle_name, material_id) if metadata.get("quality_type") in available_quality_types}
@@ -104,6 +106,8 @@ class IntentManager(QObject):
         current_definition_id = global_stack.definition.getId()
         final_intent_categories = set()  # type: Set[str]
         for extruder_stack in global_stack.extruderList:
+            if not extruder_stack.isEnabled:
+                continue
             nozzle_name = extruder_stack.variant.getMetaDataEntry("name")
             material_id = extruder_stack.material.getMetaDataEntry("base_file")
             final_intent_categories.update(self.intentCategories(current_definition_id, nozzle_name, material_id))