feat(dashboard): ✨ Add new version popup

[zmerp]

The dashboard attempts to fetch the latest version info at startup and can gracefully timeout without errors.
Add new setting to show popup, always hide it or hide it while a specific version is latest.
The popup does expand vertically and horizontally to accomodate the changelog message.

[Meister1593]

I think ui needs link to release page

Also might need a reminder (colored note?) to either download it from that release page, or use launcher to update alvr

[Meister1593]

Instead of ALVR v20.13.0 available it might be better also to move it to main text, and make top note say New ALVR version available

So it will be
New ALVR version available
ALVR v20.13.0
## Changes...

[zmerp]

@Meister1593 How's this? It seems that automatic width breaks when using horizontal_wrapped but i think it's fine anyway.

[zmerp]

Alternatively the text could be:

ALVR v20.13.0

You can download this version using the launcher

## Changes...

https://github.com/alvr-org/ALVR/releases

This puts emphasis on preferring the launcher

[Meister1593]

Alternatively the text could be:

ALVR v20.13.0

You can download this version using the launcher

## Changes...

https://github.com/alvr-org/ALVR/releases

This puts emphasis on preferring the launcher

Looks pretty good overall, just add note like Releases page - https://github.com/alvr-org/ALVR/releases

[Meister1593]

Might be a good idea also to add a note to launcher (where to download it), but i think it's fine for now

[zmerp]

I added a button to open the launcher, if it's in the directory tree. If it's not it will open the releases page.
Should the button be small and inline?

[Meister1593]

Yeah, make it inline, though add some spacing between changes & top part (so that ui doesn't feel a bit compacted)

[zmerp]

I customised the padding for the button to make it look better

Discussion was resolved