Handle backend rate limits gracefully #5792
Description
Steps to reproduce
- Use this app with fix(dav): Rate limit calendar/subscription creation server#43732
- Create too many calendars too fast
Expected behavior
Human readable error explaining the situation
Actual behaviour
Generic error that doesn't say much
Calendar app version
No response
CalDAV-clients used
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Browser
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Client operating system
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Server operating system
No response
Web server
None
Database engine version
None
PHP engine version
None
Nextcloud version
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Updated from an older installed version or fresh install
None
List of activated apps
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Nextcloud configuration
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Web server error log
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Log file
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Browser log
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Additional info
No response