Add new "Profile warning tab - Old-age limit" option
This option is initialized to have the same value as the "Escalating default warning expiry - Old-age limit" option
There is a checkbox to show these warnings if required
If installed, require Alert Improvements v2.9.0+
Compatibility fix with Alert Improvements when warning anonymization is enabled and warning alerts are sent
Fix edge case where legacy warning definitions with >255 characters would cause an internal server error instead of reporting the warning definition's title was too long