[Nc 14] Sidebar on adding a new event atop of calendar view

[blizzz]

Steps to reproduce

1. Have "skip simple event editor" enabled
2. be on 14 beta
3. add a new event

Expected behaviour

The event sidebar should appear on the right and decrease the width of the calendar view (as with Nc 13)

Actual behaviour

The event sidebar is put on top, the calendar view is pushed down, below the fold.

Server configuration

Operating system: Ubuntu 16.04

Web server: Apache

Database: MySQL

PHP version: 7.0

Server version: 14.0.0.13

Calendar version: 1.6.1

Updated from an older installed version or fresh install: updated

Signing status (ownCloud/Nextcloud 9.0 and above): 👍

Are you using an external user-backend, if yes which one: LDAP

Client configuration

Browser: FF 61.0.1

Operating system: Antergos

CalDAV-clients: WebUI

Logs

Browser log

Content Security Policy: The page’s settings blocked the loading of a resource at https://cloud.nextcloud.com/apps/files/ (“script-src”).

Deprecation warning: use moment.updateLocale(localeName, config) to change an existing locale. moment.defineLocale(localeName, config) should only be used for creating a new locale See http://momentjs.com/guides/#/warnings/define-locale/ for more info. sentry.js:1:7668

<script> source URI is not allowed in this document: “https://cloud.nextcloud.com/apps/notifications/js/notifications.js?v=59c93372-49”. calendar:44

Attempting to call a FullCalendar method on an element with no calendar.
sentry.js:1:7668

[ChristophWurst]

Ref https://github.com/orgs/nextcloud/projects/15#card-11847167.