Derived from ##57257

It is not clear that the "Send e-mails" checkbox applies only for the creation of meetings. It is not persisted to suppress all meeting mails

**Acceptance criteria**

* Change "Send e-mails" Begin of the deletion explanation so that it's clear this is a one time setup supression onlyEnd of the deletion

* Begin of the insertionLabel: "Email participants"

* Explanation:End of the insertion _Send Begin of the deletion outEnd of the deletion an Begin of the deletion invitationEnd of the deletion email Begin of the insertioninvitation immediatelyEnd of the insertion to the participants Begin of the insertionselectedEnd of the insertion Begin of the deletion listedEnd of the deletion above. Begin of the insertionYou can also doEnd of the insertion Begin of the deletion Note that uncheckingEnd of the deletion this Begin of the insertionmanually at any time later._End of the insertion Begin of the deletion option does not affect the sending of emails after this form is submitted._End of the deletion