[Notification] Update low contrast styling

[shixiedesign]

Design spec done. Ready for dev:

Please note: low contrast notification on light themes have an outline. The color of the outline is $support-01 – $support-04 at 30% opacity. On dark themes they do not have outlines.

Tokens

	Light themes	Dark themes
outline	$support at 0.3 opacity	none
background	$field-01	$field-01

[stale]

We've marked this issue as stale because there hasn't been any activity for a couple of weeks. If there's no further activity on this issue in the next three days then we'll close it. You can keep the conversation going with just a short comment. Thanks for your contributions.

[shixiedesign]

not stale

[stale]

We've marked this issue as stale because there hasn't been any activity for a couple of weeks. If there's no further activity on this issue in the next three days then we'll close it. You can keep the conversation going with just a short comment. Thanks for your contributions.

[asudoh]

@shixiedesign Just wanted to double-check if we have any remaining work items in this space - Thanks!

[shixiedesign]

Hi @asudoh there are still several design updates outstanding with low contrast. At a glance, these are what I noticed:

Inline low contrast notifications

The Inline low contrast in vanilla is actually showing Toast, so I cannot review inline low contrast notifications:

Toast low contrast notifications

Clearly broken here, and I realize the issue might be on tokens. If any developers have bandwidth, we can have a quick chat about how this can be made.

[stale]

We've marked this issue as stale because there hasn't been any activity for a couple of weeks. If there's no further activity on this issue in the next three days then we'll close it. You can keep the conversation going with just a short comment. Thanks for your contributions.

[asudoh]

I believe it's fixed by #3899. @shixiedesign Please don't hesitate to speak up otherwise - Thanks!