Replace "Approve users in" with "Approve users with"

What does this MR do and why?

Changes constant values from

ApplicationSettings|Approve users in the pending approval status?
ApplicationSettings|By making this change, you will automatically approve %d user with the pending approval status.
ApplicationSettings|By making this change, you will automatically approve %d users with the pending approval status.
ApplicationSettings|By making this change, you will automatically approve all users in pending approval status.

to

ApplicationSettings|Approve users who are pending approval?
ApplicationSettings|By making this change, you automatically approve %d users who are pending approval.
ApplicationSettings|By making this change, you automatically approve %d users who are pending approval.
ApplicationSettings|By making this change, you will automatically approve all users who are pending approval.

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Related to #340148 (closed)