修复导出的缩略图中带有光源的问题

src/components/MaterialAdjuster.vue

@@ -16,6 +16,7 @@
             <CfFlex gap="1em" v-if="debugMode">
                 <button class="btn-success" style="min-width: 110px;" @click="HandleUpload">保存</button>
                 <button class="btn-danger" style="min-width: 110px;" @click="HandleCancel">取消</button>
+                <button v-if="debugMode" class="btn-primary" style="min-width: 110px;" @click="HandleGenerateLogo">预览缩略图</button>
             </CfFlex>
         </div>
 
@@ -115,6 +116,7 @@ import { DirectoryId } from "../api/Request";
 import { IsNullOrWhitespace } from "../helpers/helper.string";
 import { FromDeflateBase64, ToDeflatedBase64 } from "../helpers/helper.material";
 import { storeToRefs } from "pinia";
+import { DownloadFile } from "../helpers/helper.web";
 
 export interface MaterialRequest {
     /** 材质名 */
@@ -273,6 +275,11 @@ function HandleCancel() {
     emits('cancel');
 }
 
+async function HandleGenerateLogo() {
+    const blob = await scene.GenerateMaterialLogoAsync();
+    DownloadFile("logo.png", blob);
+}
+
 defineExpose({
     Upload: HandleUpload,
     Cancel: HandleCancel