Merge pull request #78495 from lyuma/import_tracks_single_clip

Fix Import Tracks import setting for single clip

editor/import/resource_importer_scene.cpp

@@ -995,7 +995,7 @@ Node *ResourceImporterScene::_pre_fix_animations(Node *p_node, Node *p_root, con
 			AnimationImportTracks(int(node_settings["import_tracks/scale"]))
 		};
 
-		if (anims.size() > 1 && (import_tracks_mode[0] != ANIMATION_IMPORT_TRACKS_IF_PRESENT || import_tracks_mode[1] != ANIMATION_IMPORT_TRACKS_IF_PRESENT || import_tracks_mode[2] != ANIMATION_IMPORT_TRACKS_IF_PRESENT)) {
+		if (!anims.is_empty() && (import_tracks_mode[0] != ANIMATION_IMPORT_TRACKS_IF_PRESENT || import_tracks_mode[1] != ANIMATION_IMPORT_TRACKS_IF_PRESENT || import_tracks_mode[2] != ANIMATION_IMPORT_TRACKS_IF_PRESENT)) {
 			_optimize_track_usage(ap, import_tracks_mode);
 		}
 	}