frontend/latex/files: clarify, summary is not available -- it might not be loaded yet

Author: haraldschilly

src/packages/frontend/frame-editors/latex-editor/output-files.tsx

@@ -63,7 +63,7 @@ export function OutputFiles({
       path: filePath,
       displayPath,
       isMain: false,
-      summary: fileSummaries[filePath] ?? "Loading...",
+      summary: fileSummaries[filePath] ?? "Summary not available...",
     };
   });