Site Health: Correct translator comment for the message displayed after...

Site Health: Correct translator comment for the message displayed after clicking "remind me later" on the admin email confirmation.

Adjust the logic for displaying the message for better readability.

Follow-up to [48359].

See #48333.
Built from https://develop.svn.wordpress.org/trunk@48363


git-svn-id: https://core.svn.wordpress.org/trunk@48132 1a063a9b-81f0-0310-95a4-ce76da25c4cd