[Bug]language demo not work

[xiangqunXiao]

If you have a feature suggestion, please add it on the Feature List instead.

Expected behavior.

(Describe expected behaviour here)

display changed when language changed

Actual behavior.

(Describe actual behaviour here)

errors Uncaught TypeError: Cannot read properties of undefined (reading 'LANGUAGE') display on devtool console tab and demo not work

Steps to reproduce the problem.

(Describe the steps to reproduce the problem here. A jsFiddle is awesome when possible.)

• visit https://froala.com/wysiwyg-editor/languages/
• open devtool, and check console tab
• click any button