fix app server crash on S3 file upload

src/shared/services/invoice.service.ts

@@ -33,14 +33,13 @@ export const uploadInvoice = async (files: Express.Multer.File[]) => {
 
       return { file: file.originalname, url: downloadUrl };
 
-    } catch (err) {
+    } catch (err:any) {
       console.error('Error uploading file', err);
-      throw err;
+      return { file: file.originalname, error: err.message };
     }
   });
 
-  return uploadPromises;
-  // return Promise.all(uploadPromises);
+  return Promise.all(uploadPromises);
 };
 
 export const getDownloadUrl = async (filename: string) => {