fix(console): fallback to default language if browser language not supported

[peintnermax]

Closes #5970

Definition of Ready

• I am happy with the code
• Short description of the feature/issue is added in the pr description
• PR is linked to the corresponding user story
• Acceptance criteria are met
• All open todos and follow ups are defined in a new ticket and justified
• Deviations from the acceptance criteria and design are agreed with the PO and documented.
• No debug or dead code
• My code has no repetitions
• Critical parts are tested automatically
• Where possible E2E tests are implemented
• Documentation/examples are up-to-date
• All non-functional requirements are met
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[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 9, 2023 11:53am

[eliobischof]

Thanks for finding this @peintnermax 🙏

[codecov]

Codecov Report

Merging #5999 (9c0cc88) into main (383e68b) will increase coverage by 1.22%.
The diff coverage is 57.05%.

@@            Coverage Diff             @@
##             main    #5999      +/-   ##
==========================================
+ Coverage   44.66%   45.88%   +1.22%     
==========================================
  Files        1187     1192       +5     
  Lines      104527   106622    +2095     
==========================================
+ Hits        46682    48924    +2242     
+ Misses      55672    55392     -280     
- Partials     2173     2306     +133     

Impacted Files	Coverage Δ
cmd/setup/10.go	0.00% <0.00%> (ø)
cmd/setup/11.go	0.00% <0.00%> (ø)
cmd/setup/config.go	0.00% <ø> (ø)
cmd/setup/setup.go	14.54% <0.00%> (-0.14%)	⬇️
internal/api/grpc/admin/idp.go	0.00% <0.00%> (ø)
internal/api/grpc/admin/import.go	0.00% <0.00%> (ø)
internal/api/grpc/management/idp.go	0.00% <0.00%> (ø)
internal/api/grpc/management/user.go	0.00% <0.00%> (ø)
internal/api/grpc/server/gateway.go	47.22% <0.00%> (ø)
internal/api/http/cookie.go	26.08% <0.00%> (ø)
... and 63 more

... and 30 files with indirect coverage changes

[github-actions]

🎉 This PR is included in version 2.30.0-eventstore-performance.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 2.24.0-ignore-me2.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀