Fixed In Open channel Video thumbnail display is different with Group channel

[danney-chun]

[fix]: In Open channel Video thumbnail display is different with Group channel.

// Footer (Recommended)
Fixes CLNP-5177

Changelogs

• Fixed an issue where video thumbnails in Open Channels were displayed differently from those in Group Channels

// Co-authors
// Add this if you pair programmed or they made significant contributions to the ideas in the code and you want to thank them.
Co-authored-by: Name name@example.com, Name2 name@example.com

### Checklist

Put an `x` in the boxes that apply. You can also fill these out after creating the PR. If unsure, ask the members.
This is a reminder of what we look for before merging your code.

- [x] **All tests pass locally with my changes**
- [ ] **I have added tests that prove my fix is effective or that my feature works**
- [ ] **Public components / utils / props are appropriately exported**
- [ ] I have added necessary documentation (if appropriate)


## External Contributions

This project is not yet set up to accept pull requests from external contributors.

If you have a pull request that you believe should be accepted, please contact
the Developer Relations team <developer-advocates@sendbird.com> with details
and we'll evaluate if we can set up a [CLA](https://en.wikipedia.org/wiki/Contributor_License_Agreement) to allow for the contribution.


[CLNP-5177]: https://sendbird.atlassian.net/browse/CLNP-5177?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

[netlify]

✅ Deploy Preview for sendbird-uikit-react ready!

Name	Link
🔨 Latest commit	cb1bcad
🔍 Latest deploy log	https://app.netlify.com/projects/sendbird-uikit-react/deploys/698166fa22f5bd000855ab52
😎 Deploy Preview	https://deploy-preview-1396--sendbird-uikit-react.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[OnestarLee]

lgtm!