Fix compilation error. If shouldUseMultipart is set we also have to set endpoint to avoid a type error.

Author: SvenRH

libraries/react-shared-libraries/src/helpers/uppy.upload.ts

@@ -26,6 +26,7 @@ export const getUppyUploadPlugin = (provider: string, fetch: any, backendUrl: st
           plugin: AwsS3Multipart,
           options: {
             shouldUseMultipart: (file : any) => true,
+            endpoint: '',
             createMultipartUpload: async (file: any) => {
               const arrayBuffer = await new Response(file.data).arrayBuffer();
               const fileHash = sha256(Buffer.from(arrayBuffer));