crash because language tag

[alexyutmp]

🐞 Describe the bug

• Create a docker image in synology docker
• Login to ntfy
• Change language to Simplified Chinese
• Do a push test inside ntfy,
• It crashes and shows the error messages

RangeError: invalid language tag: zh_Hans

Full stack is attached.

💻 Components impacted

💡 Screenshots and/or logs
RangeError: invalid language tag: zh_Hans
at DateTimeFormat ([native code]:undefined:undefined)
at log (http://192.168.50.2:3680/static/media/index-9e24212a.js:343:286)
at lse (http://192.168.50.2:3680/static/media/index-9e24212a.js:283:326)
at isMounted (http://192.168.50.2:3680/static/media/index-9e24212a.js:19519:38)
at callback (http://192.168.50.2:3680/static/media/index-9e24212a.js:44029:40)
at callback (http://192.168.50.2:3680/static/media/index-9e24212a.js:39765:40)
at callback (http://192.168.50.2:3680/static/media/index-9e24212a.js:39693:40)
at callback (http://192.168.50.2:3680/static/media/index-9e24212a.js:39547:40)
at callback (http://192.168.50.2:3680/static/media/index-9e24212a.js:35915:40)
at callback (http://192.168.50.2:3680/static/media/index-9e24212a.js:34866:40)
at unstable_now (http://192.168.50.2:3680/static/media/index-9e24212a.js:1560:25)
at unstable_now (http://192.168.50.2:3680/static/media/index-9e24212a.js:1927:25)
RangeError: invalid language tag: zh_Hans
at use@http://192.168.50.2:3680/static/media/index-9e24212a.js:326:240
at div
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:55:6195
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:61:22351
at div
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:55:6195
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:61:20670
at div
at div
at t@http://192.168.50.2:3680/static/media/index-9e24212a.js:263:1468
at IR@http://192.168.50.2:3680/static/media/index-9e24212a.js:286:86950
at ise@http://192.168.50.2:3680/static/media/index-9e24212a.js:286:86534
at rse@http://192.168.50.2:3680/static/media/index-9e24212a.js:286:86335
at oK@http://192.168.50.2:3680/static/media/index-9e24212a.js:240:3960
at pK@http://192.168.50.2:3680/static/media/index-9e24212a.js:240:6225
at main
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:55:6195
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:61:13100
at Rde@http://192.168.50.2:3680/static/media/index-9e24212a.js:409:15093
at div
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:55:6195
at @http://192.168.50.2:3680/static/media/index-9e24212a.js:61:13100
at Ode@http://192.168.50.2:3680/static/media/index-9e24212a.js:409:13970
at oK@http://192.168.50.2:3680/static/media/index-9e24212a.js:240:3960
at gK@http://192.168.50.2:3680/static/media/index-9e24212a.js:240:6876
at Cce@http://192.168.50.2:3680/static/media/index-9e24212a.js:372:5839
at withI18nextTranslation(Cce)@http://192.168.50.2:3680/static/media/index-9e24212a.js:250:3139
at GN@http://192.168.50.2:3680/static/media/index-9e24212a.js:61:18738
at YN@http://192.168.50.2:3680/static/media/index-9e24212a.js:61:19141
at D3@http://192.168.50.2:3680/static/media/index-9e24212a.js:61:29735
at fK@http://192.168.50.2:3680/static/media/index-9e24212a.js:240:6337
at _K@http://192.168.50.2:3680/static/media/index-9e24212a.js:249:781
at Pde@http://192.168.50.2:3680/static/media/index-9e24212a.js:409:12649
at Suspense
at Ade@http://192.168.50.2:3680/static/media/index-9e24212a.js:409:12874

🔮 Additional context

[binwiederhier]

Thank you for reporting.
This is a duplicate of #852, fixed in #922.

Will be in the next release which will be out (hopefully) soon