The sharing link generated in gallery downloads the image instead of displaying. Can we fix it so the users can open the image in the browser using the shared link? It prompt for download location when clicked right now.

Bug report

Steps to reproduce

View the images in gallery
Open one of the images and click on the share link
The shared link generated downloads the image not open in the browsers

Expected behaviour

Open the shared image in the browser

Actual behaviour

Prompts for download location.

Server configuration

Operating system: Uuntu 18.04 Web server: Apache 2 Database: Mysql PHP version: PHP 7.2

Nextcloud configuration

Nextcloud version: (see admin page or version.php) 15.0.4 Updated from an older installation or fresh install: Fresh installation List of activated apps:

App list

``` Enabled: - accessibility: 1.1.0 - cloud_federation_api: 0.1.0 - comments: 1.5.0 - dav: 1.8.1 - federatedfilesharing: 1.5.0 - federation: 1.5.0 - files: 1.10.0 - files_sharing: 1.7.0 - files_trashbin: 1.5.0 - files_versions: 1.8.0 - files_videoplayer: 1.4.0 - gallery: 18.2.0 - lookup_server_connector: 1.3.0 - oauth2: 1.3.0 - previewgenerator: 2.0.0 - provisioning_api: 1.5.0 - sharebymail: 1.5.0 - systemtags: 1.5.0 - theming: 1.6.0 - twofactor_backupcodes: 1.4.1 - updatenotification: 1.5.0 - workflowengine: 1.5.0 Disabled: - admin_audit - encryption - files_external - testing - user_ldap ```

Nextcloud configuration:

Config.php

``` "system": { "instanceid": "***REMOVED SENSITIVE VALUE***", "passwordsalt": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trusted_domains": [ "cloud.weikai.net" ], "datadirectory": "***REMOVED SENSITIVE VALUE***", "dbtype": "mysql", "version": "15.0.4.0", "overwrite.cli.url": ***REMOVED SENSITIVE VALUE***, "dbname": "***REMOVED SENSITIVE VALUE***", "dbhost": "***REMOVED SENSITIVE VALUE***", "dbport": "", "dbtableprefix": "oc_", "mysql.utf8mb4": true, "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "installed": true, "mail_smtpmode": "smtp", "mail_sendmailmode": "smtp", "mail_from_address": "***REMOVED SENSITIVE VALUE***", "mail_domain": "***REMOVED SENSITIVE VALUE***", "mail_smtphost": "***REMOVED SENSITIVE VALUE***", "mail_smtpport": "25" } ```

Are you using external storage, if yes which one: local folder, smb share, sftp, etc. No Are you using encryption: yes/no No Are you using custom gallery.cnf config files: yes/no no

Web server error log

``` no error log ```

Nextcloud log

``` no error log ```

Client configuration

Browser: Chrome Operating system: Windows 10

Browser log

``` No error log ```

Feature request

User type: Logged-in or public user public user

User level: Beginners, intermediate or advanced

Description

Benefit / value

Risk / caveats

Sponsorship

Are you a developer willing to implement this feature?: yes/no

Can you sponsor the development of this feature or do you know someone who can?: yes/no

nextcloud / gallery

Sharing gallery image downloads the image instead of displaying in the browser #500