Fix i18n about hard code on admin settings page
What does this MR do and why?
Fix hard code about i18n on admin settings page.
Here are two stubborn buttons that always show English
Page link: http://127.0.0.1:3000/admin/application_settings/general (self-managed)
Screenshots or screen recordings
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/cc @JeremyWuuuuu @tonygodspeed92 & JH EM @prajnamas
Edited by Zhiyuan Lu