App Sidebar not displayed

Steps to reproduce

1. Open Files app.
2. Select Details (app sidebar) of a file with metadata (EXIF, ID3).
3. Select Metadata tab.

Expected behaviour

The metadata is displayed.

Actual behaviour

Spinning icon with an empty sidebar, without tabs and data.

Server configuration

Web server

Apache/2.4.25 (Debian) (fpm-fcgi)

PHP version

7.3.9-1+0~20190902.44+debian9~1.gbpf8534c

Nextcloud version

18.0.0.7

Updated from an older Nextcloud

16.0.4 … 17.0.0 … 17.0.1 … 18.0.0

Client configuration

Browser

Mozilla Firefox

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0

Microsoft Edge

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36 Edg/79.0.309.54

Logs

Browser log

TypeError: "fileInfo.has is not a function"
    canDisplay tabview.js:41 [https://example.com/apps2/metadata/js/tabview.js]
    canDisplay Sidebar.vue:258 [webpack:///apps/files/src/views/Sidebar.vue]
    y Sidebar.vue:1
    gt VueJS
    y Sidebar.vue:1
    VueJS 7
    VueJS 10

vue.runtime.esm.js:1888:12

[gino0631]

Probably a result of nextcloud/viewer#299.

Thanks for fixing. It works for me with NC 18 Beta 4.