Function toggleGroup

renderer.js:19705–19717

()

                // Preserve virtual-grid and grouped-highlight state before replacing the node.
                const preservedLayoutKey = fileItem.dataset.layoutKey || '';
                const preservedParentGroupKey = fileItem.dataset.parentGroupKey || '';
                const preserveGroupedClasses = [
                  'parent-model-group-child',
                  'parent-model-group-child-start',
                  'parent-model-group-child-middle',
                  'parent-model-group-child-end',
                  'parent-model-group-child-single'
                ];
                const groupedClassesToRestore = preserveGroupedClasses.filter(cls => fileItem.classList.contains(cls));

                // Remove the old item
                fileItem.remove();
                
                // Create a new item with the updated thumbnail
                const newItem = createModelItem(model, currentGridView);
                newItem.dataset.index = itemIndex;