Add unit tests on FormFields to check if isDisabled works just fine

[yoannfleurydev]

There are some tests that already exists for FormFields, we can add the ones to check the isDisabled states.

• FieldText
• FieldPassword
• FieldCurrency
• FieldTextarea
• FieldOtp
• FieldSelect
• FieldMultiSelect
• FieldDate
• FieldCheckboxes
• FieldRadios
• FieldCheckbox (feat: add field checkbox and fieldswitch #509)
• FieldSwitch (feat: add field checkbox and fieldswitch #509)