Steps to reproduce

1. Create a form and configure a confirmation e-mail with mail type empty and type "code"

1. Submit Form

Expected results

Html formatted confirmation e-mail

Actual results

Plain text confirmation e-mail

Workaround

Rename option/field "code" to "html" or explicitly use mailType field

1. /modules/form/dialogs/form/form/tabs/tabConfirmEmail/fields/confirmContentType/options/code
2. /modules/form/dialogs/form/form/tabs/tabConfirmEmail/fields/confirmContentType/fields/code

Development notes

Option/Field has wrong name "code" instead of "html"