After "select all" in trashbin unselect some files, deletion fails

[Peac]

Steps to reproduce

1. Upload 2 files
2. Delete them
3. Go to trashbin and use the left top square to select both of them in one step
4. Unselect one of the files
5. Hit the delete button

Expected behaviour

The one selected file should be deleted.

Actual behaviour

None of the files is deleted.

Server configuration

Operating system: Ubuntu Server 16.04.4

Web server: Apache 2.4.18

Database: MariaDB 10.0.34

PHP version: 7.0.28

Nextcloud version: 13.0.1

Updated from an older Nextcloud/ownCloud or fresh install: updated

Where did you install Nextcloud from: nextcloud.com

Signing status:

Signing status

No errors have been found.

List of activated apps:

App list

  - audioplayer: 2.2.5
  - bruteforcesettings: 1.0.3
  - calendar: 1.6.1
  - checksum: 0.3.5
  - comments: 1.3.0
  - contacts: 2.1.2
  - dav: 1.4.6
  - federatedfilesharing: 1.3.1
  - files: 1.8.0
  - files_pdfviewer: 1.2.1
  - files_sharing: 1.5.0
  - files_texteditor: 2.5.1
  - files_trashbin: 1.3.0
  - files_versions: 1.6.0
  - files_videoplayer: 1.2.0
  - gallery: 18.0.0
  - logreader: 2.0.0
  - lookup_server_connector: 1.1.0
  - nextcloud_announcements: 1.2.0
  - notifications: 2.1.2
  - oauth2: 1.1.0
  - password_policy: 1.3.0
  - provisioning_api: 1.3.0
  - richdocuments: 2.0.3
  - serverinfo: 1.3.0
  - theming: 1.4.1
  - twofactor_backupcodes: 1.2.3
  - updatenotification: 1.3.0
  - workflowengine: 1.3.0

Nextcloud configuration:

Config report

{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "xxx.xxx"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "overwrite.cli.url": "https:\/\/xxx.xxx",
        "dbtype": "mysql",
        "version": "13.0.1.1",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "check_for_working_webdav": true,
        "enabledPreviewProviders": [
            "OC\\Preview\\PNG",
            "OC\\Preview\\JPEG",
            "OC\\Preview\\GIF",
            "OC\\Preview\\BMP",
            "OC\\Preview\\XBitmap",
            "OC\\Preview\\MP3",
            "OC\\Preview\\MarkDown",
            "OC\\Preview\\SVG",
            "OC\\Preview\\TIFF",
            "OC\\Preview\\Font",
            "OC\\Preview\\Movie"
        ],
        "cipher": "AES-256-CFB",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0
        },
        "versions_retention_obligation": "auto",
        "updater.release.channel": "stable",
        "loglevel": 2,
        "maintenance": false,
        "theme": ""
    }
}

Are you using external storage, if yes which one: no

Are you using encryption: no

Are you using an external user-backend, if yes which one: no

Client configuration

Browser: Mozilla Firefox 59.0.1

Operating system: Windows 7

Logs

None

[MorrisJobke]

Duplicate of #5579