Inconsistent behaviour of minimising panels on mobile

[jovyntls]

Please confirm that you have searched existing issues in the repo

Yes, I have searched the existing issues

Any related issues?

No response

Tell us about your environment

iOS (Safari)

MarkBind version

v4.1.0

Describe the bug and the steps to reproduce it

This issue occurs on mobile.

There is some inconsistent and unexpected behaviour when tapping on the right side of a closed panel where the "minimise" button should be, but is not visible. (Screen recording below)

• Inconsistent behaviour when tapping on this area: Sometimes, it minimises the panel. Other times, it simply shows the "minimise" button
• Furthermore, since the minimise button is not displayed when the user taps on the right side of the panel, having the panel minimise might be unintuitive for the user.

https://user-images.githubusercontent.com/61113575/226275121-b7a1e885-0e90-40cb-b46d-6a9edbf7053c.mov

Expected behavior

When a user clicks on the right side of a closed panel, it should not minimise, since the minimise button is not visible.

Anything else?

Not really a bug, but also on mobile, panels require two clicks to be opened - the first click shows the anchor, expand and minimise icons; the second click will open the panel. (Screen recording below) This behaviour is consistent, so it may not be considered a bug. Though I'm not sure if it would be more intuitive for the panel to open immediately instead of on the second click?

https://user-images.githubusercontent.com/61113575/226274790-846ee87a-4ed4-41fc-aba3-19975c8420ea.mov