Improve Today card sizing on smaller screens

[kean]

The way the chevon was added was taking too much horizontal space due to the spacing that would sometimes shrink the numbers. I added it as an overlay like the "more" menu.

[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 26.6. This milestone is due in less than 4 days. Please make sure to get it merged by then or assign it to a milestone with a later deadline.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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	App Name	Jetpack
	Configuration	Release-Alpha
	Build Number	30467
	Version	PR #25142
	Bundle ID	com.jetpack.alpha
	Commit	26b2390
	Installation URL	1gffqloq2efd8

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	App Name	WordPress
	Configuration	Release-Alpha
	Build Number	30467
	Version	PR #25142
	Bundle ID	org.wordpress.alpha
	Commit	26b2390
	Installation URL	15krlg3pa70j8

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