Email address can be added in the "Participating members" and "Participating groups" fields which leads to "com" appearing in View mode

[ane-gabriela]

Preconditions: Have a meeting created.

Steps to reproduce:

1. Edit a meeting
2. Type an email address in the Participating Member and Participating Groups fields
3. Save & View

Expected results: As per https://jira.xwiki.org/browse/XAMEETINGS-129 only users from the wiki can be selected, no email input is allowed.

Actual results: An email address can be added and after saving the meeting "com" appears instead of the added email address.

Environment: Windows 10, XWiki 10.11.2 with MySQL 5.7 and Edge 18, Meeting Application (Pro) 1.9.1

[ane-gabriela]

Reproducing on XWiki 14.10.18 with MySQL 8.1 and Chrome 119, Meeting Application (Pro) 1.14.2

[ane-gabriela]

Issue reproducing on Cloud XWiki 15.10.8, Meeting Application (Pro) 1.14.3, Chrome 126