Fix analytics event for dataset-upload-page

[philippotto]

…and never show error for failed analytics requests

URL of deployed dev instance (used for testing):

• https://___.webknossos.xyz

Steps to test:

• open dataset upload page
• analytics request should succeed and no error toast should be shown
• break analytics route (or use ublock origin)
• request should fail but it should not raise an error toast

Issues:

• follow-up to Improve error message & more frontend analytics #5490

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• Updated (unreleased) changelog
• Updated (unreleased) migration guide if applicable
• Updated documentation if applicable
• Adapted wk-connect if datastore API changes
• Needs datastore update after deployment
• Ready for review

[fm3]

Great, thanks!

I assume {} is flow’s type annotation for objects? Are there any other places where we should replace Object by {}? (possibly in follow-up issue)?

[philippotto]

I assume {} is flow’s type annotation for objects? Are there any other places where we should replace Object by {}? (possibly in follow-up issue)?

Yes, good point! I created #5527 as a follow-up.