Image not displayed when clicking thumbnail preview

[bkraul]

Description:

When an image is attached to a message, clicking on the image thumbnail preview does not display the image. The console returns the following error:

d5ab7ee91991237ebf01e25454506aa351ab7b0d.js?meteor_js_resource=true:424 Uncaught (in promise) TypeError: a is not a constructor
    at n (d5ab7ee91991237ebf01e25454506aa351ab7b0d.js?meteor_js_resource=true:424)

Steps to reproduce:

1. Update to latest develop image (3.9.0) (2ab1a10)
2. Attempt to attach an image to a message.
3. Once the image uploads, try clicking on it to view it.

Expected behavior:

Larger image should be displayed.

Actual behavior:

Nothing happens, and dev-tools console shows error described above.

Screen Capture:

Server Setup Information:

• Version of Rocket.Chat Server: 3.9.0-develop (2ab1a10)
• Operating System: Ubuntu 20.04.1 LTS (docker)
• Deployment Method: docker
• Number of Running Instances: 1
• DB Replicaset Oplog: Yes
• NodeJS Version: v12.18.4
• MongoDB Version: 4.0.21

Client Setup Information

• Desktop App or Browser Version: 3.0.7 Desktop (Electron)
• Operating System: Windows 10 Pro 20H2

Additional context

No additional context needed.

Relevant logs:

Log from local dev-tools.

d5ab7ee91991237ebf01e25454506aa351ab7b0d.js?meteor_js_resource=true:424 Uncaught (in promise) TypeError: a is not a constructor
    at n (d5ab7ee91991237ebf01e25454506aa351ab7b0d.js?meteor_js_resource=true:424)

[bkraul]

Commit 48af214 does not seem to have this problem.

[bkraul]

This appears corrected in subsequent develop tag 0332729 .