fix: Update mgt-file-upload.ts (#2358)

Author: stoubian

packages/mgt-components/src/components/mgt-file-list/mgt-file-upload/mgt-file-upload.ts

@@ -854,7 +854,7 @@ export class MgtFileUpload extends MgtBaseComponent {
         this._dialogTitle = strings.maximumFileSizeTitle;
         this._dialogContent =
           strings.maximumFileSize
-            .replace('{FileSize}', formatBytes(fileUploadList.maxFileSize))
+            .replace('{FileSize}', formatBytes(fileUploadList.maxFileSize * 1024))
             .replace('{FileName}', file.name) +
           formatBytes(file.size) +
           '.';