Merge pull request #1239 from weseek/fix/file-upload-size-is-string

- fix file uploder size to number

src/server/routes/attachment.js

@@ -203,7 +203,8 @@ module.exports = function(crowi, app) {
    * @apiGroup Attachment
    */
   api.limit = async function(req, res) {
-    return res.json(ApiResponse.success(await fileUploader.checkLimit(req.query.fileSize)));
+    const fileSize = Number(req.query.fileSize);
+    return res.json(ApiResponse.success(await fileUploader.checkLimit(fileSize)));
   };
 
   /**