Show image viewer when clicking url preview thumbnail

[LeaPhant]

Description

Show an image viewer when clicking the thumbnail in the url preview, similar to Element. Uses the same code as image content, maybe some deduplication necessary.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

[LeaPhant]

I have read the CLA Document and I hereby sign the CLA.

[LeaPhant]

Alright I'm pretty happy with it now. Feel free to request changes as I'm not sure if this is the correct location for the new component.

[github-actions]

Preview: https://2309--pr-cinny.netlify.app
⚠️ Exercise caution. Use test accounts. ⚠️

[trash-pandy]

Cherry-picked this over the v4.10.2 tag, seems to work well in my short testing of it. Anything blocking this from being merged?

[ajbura]

LGTM. Thanks!