Can't modify Calendar title after creation

[ane-gabriela]

Preconditions: Have a calendar already created

Steps to reproduce:

1. Log in as a simple user or admin
2. Click on Calendar App from Apps Panel
3. Go to "Overview of all calendars"
4. Click on Edit for a calendar

Expected result: The user can change title, background and text color, description.

Actual result: The edit form of the calendar does not provide input to modify the title.

NOTE: The user has to be Advanced Type to select the editing in WYSIWYG or Wiki mode to change the title.

Environment: Windows 10, XWiki 13.10 with MySQL 8.0 and XWiki 13.4.5, Calendar Application (Pro) 2.11-rc-1, Chrome 69