Steps to reproduce:

1. disable php ssl extension
2. try to save the form

{}Result: generic error

Expected - being able to change password length as example.

Result: the form fields are disabled, information icon is presented, data from previous 

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User story #2:

Have SAML configured, only then disable extension and look at the SAML form in Athentication: fields are enabled, and become disabled after submit with general error. Then fields values are cleared (they shouldn't be) in form but not form DB (as expected, we preserve disabled config in this domain).

Confusing UX.

Expected: to be defined by PO

Observed at - Tag: 8.0-dev, Revision: https://git.zabbix.com/projects/ZBX/repos/zabbix/commits/c30cf5aee7905721c7436c3b9729726fa60ac2bc

Similar scenario seems to be handled gracefully and appropriately for SAML tab in the same form