pub fn insert_block(
db_context: &DbContext,
event_hub: &Arc<EventHub>,
undo_redo_manager: &mut UndoRedoManager,
stack_id: Option<u64>,
dto: &InsertBlockDto,
) -> Result<InsertBlockResultDto>pub fn insert_block(
db_context: &DbContext,
event_hub: &Arc<EventHub>,
undo_redo_manager: &mut UndoRedoManager,
stack_id: Option<u64>,
dto: &InsertBlockDto,
) -> Result<InsertBlockResultDto>