fixup! ✨(frontend) added accessible html export and moved download option

Author: Ovgodd

src/frontend/apps/impress/src/features/docs/doc-export/components/ModalExport.tsx

@@ -22,7 +22,10 @@ import { Box, ButtonCloseModal, Text } from '@/components';
 import { useEditorStore } from '@/docs/doc-editor';
 import { Doc, useTrans } from '@/docs/doc-management';
 
-import { exportCorsResolveFileUrl } from '../api/exportResolveFileUrl';
+import {
+  exportCorsResolveFileUrl,
+  exportResolveFileUrl,
+} from '../api/exportResolveFileUrl';
 import { TemplatesOrdering, useTemplates } from '../api/useTemplates';
 import { docxDocsSchemaMappings } from '../mappingDocx';
 import { odtDocsSchemaMappings } from '../mappingODT';
@@ -174,14 +177,32 @@ export const ModalExport = ({ onClose, doc }: ModalExportProps) => {
             return;
           }
 
-          const fetched = await exportCorsResolveFileUrl(doc.id, src);
+          // data: URLs are already embedded and work offline; no need to create separate files.
+          if (src.startsWith('data:')) {
+            return;
+          }
+
+          // Only download same-origin resources (internal media like /media/...).
+          // External URLs keep their original src and are not included in the ZIP
+          let url: URL | null = null;
+          try {
+            url = new URL(src, window.location.origin);
+          } catch {
+            url = null;
+          }
+
+          if (!url || url.origin !== window.location.origin) {
+            return;
+          }
+
+          const fetched = await exportResolveFileUrl(url.href);
 
           if (!(fetched instanceof Blob)) {
             return;
           }
 
           const filename = deriveMediaFilename({
-            src,
+            src: url.href,
             index,
             blob: fetched,
           });