Update middleware to decompresseFromUTF16

This is to match the compression used in the compressKeys functions on
the clientside.

Author: allouis

lib/middleware.js

@@ -336,7 +336,7 @@ module.exports = {
   decompressBody: function (req, res, next) {
     if (req.body && req.body.compressed) {
       req.body.compressed.split(',').forEach(function (key) {
-        req.body[key] = LZString.decompress(req.body[key]);
+        req.body[key] = LZString.decompressFromUTF16(req.body[key]);
       });
     }
     next();