apng sticker is not animated

[LuckyTurtleDev]

Steps to reproduce

• Send an animated apng sticker.
• watch at the send sticker

example event:

{
  "content": {
    "body": "elephant.png",
    "info": {
      "h": 200,
      "mimetype": "image/apng",
      "size": 379013,
      "w": 240
    },
    "url": "mxc://lukas1818.de/OqhTVIyZjrIPNovpWnwJShym"
  },
  "type": "m.sticker",
  "room_id": RESTRAINED

}

Outcome

What did you expect?

An animated sticker. Like on element desktop and fluffy chat android.

What happened instead?

A static image/sticker is show instead.

Your phone model

XQ-BT52

Operating system version

13

Application version and app store

1.6.12 F-Droid

Homeserver

https://github.com/msrd0/docker-synapse

Will you send logs?

No

Are you willing to provide a PR?

No