Fix create new note should not use default note created time

lib/models/note.js

@@ -223,9 +223,11 @@ module.exports = function (sequelize, DataTypes) {
                         body = fs.readFileSync(filePath, 'utf8');
                         note.title = LZString.compressToBase64(Note.parseNoteTitle(body));
                         note.content = LZString.compressToBase64(body);
+                        if (filePath !== config.defaultnotepath) {
                             note.createdAt = fsCreatedTime;
                         }
                     }
+                }
                 // if no permission specified and have owner then give editable permission, else default permission is freely
                 if (!note.permission) {
                     if (note.ownerId) {