feat(内存占用): 支持附件流式下载，降低大附件内存占用

assets/webui/ofdgo.wasm.js

@@ -7,7 +7,7 @@ self.onmessage = ({ data }) => {
 		exports.get(data.id)?.abort();
 		return;
 	}
-	if (data.name === "ofdgoExportPage" || data.name === "ofdgoExportDocument") {
+	if (data.name === "ofdgoExportPage" || data.name === "ofdgoExportDocument" || data.name === "ofdgoExportAttachment") {
 		exports.set(data.id, new AbortController());
 	}
 	pending = pending.then(() => handleMessage(data));