Add time ago tooltips to show actual date/time

Clean up admin dashboad tooltips

Clean up admin dashboad tooltips

Clean up admin dashboad tooltips

Add helper method

change to use app helper

Modify tooltips to use new helper

Convert remaining times

Adjust one tooltip
Merge pull request #5848 from bke-drewb/feature/time_ago_tooltips

Add time ago tooltips to show actual date/time