* Add onBeforeUnload handler to prevent accidental refresh
* Update button messages
* Fix exit form not working after submit
* Make onBeforeUnload disable if env is development
* Fix onClose
* Remove internal date time field state
* Update messages and dialog
* Prevent navigation on 400 error
* Add submit disabled ref in exit form
* Update exit form dialog for disabled save
* Update confirmLeave forms to set ref if save is disabled
* Remove unused error handling
* Remove explicit ref type
* Remove unused import
* Fix disabled type
* Add disable check function to generic forms
* Add custom isDisabled method to sale and voucher forms
* Add default isDisabled functions to confirmLeave forms
* Update tests
* Remove unused code
* Rebase fixes + update tests
* Refactor form and useform
* Refactor disabling forms
* Change "saveDisabled" name to "isSaveDisabled" for improved readability
* Change "isDisabled" function to "checkIfSaveIsDisabled"
* Update exit form disabling conditions for zone rates forms
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