Fix small UI bugs after feedback

[annavik]

Fixing some smaller problems that showed up during feedback sessions:

• When editing user info, the email field is called “Name” as well as the name field
• Make name a required field?
• Highlight required fields with *
• Show "10+" in the slideshow count if there are more than 10, to help troubleshoot mismatched counts
• Show seconds in the timeline component
• Show timestamps all the time in timeline component (not just on hover)
• Show that saving was successful in user info form
• Do not show "Sign up" if user is logged in (captured in Sign up button should not be visible when logged in #385)
• Fix issue with "not available" label showing up as a number in session details

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[mihow]

This is awesome, thank you for finding all of these comments. I have heard them from multiple people. One thing I noticed right away is that the localized AM/PM time breaks to a new line in the timeline view, even with a wide window size. But there is plenty of room on the left side.

[annavik]

This is awesome, thank you for finding all of these comments. I have heard them from multiple people. One thing I noticed right away is that the localized AM/PM time breaks to a new line in the timeline view, even with a wide window size. But there is plenty of room on the left side.

Oh good catch, I missed it because of my locale. Fixed!

[mihow]

I love the 10+, and thanks for the other details!