The dropdown and duration item is disappeared after clicking on the item and collapsing/expanding the activity

[natalia-muzyka]

Preconditions
The user is logged in on the admin panel
https://admin-staging.mindlogger.org/

Steps to reproduce

1. Open a site https://library-staging.mindlogger.org/
2. Open the applet with dropdown list item
3. https://library-staging.mindlogger.org/#/applets/6221e0b5ab2d2066bc471a70?lang=en_US
4. Expand the activity to see the items
5. Expand each item
6. Collapse the activity
7. Expand the activity
8. Pay attention to the screen

Actual result
The dropdown item is disappeared after clicking on the item and collapsing/expanding the activity

Expected result
The dropdown item is displayed after clicking on the item and collapsing/expanding the activity

Notes:

• reproduces for DURATION item
• on the Cart(Checkout) page dropdown and duration items are missing at all

Video: https://www.screencast.com/t/cl4DBR3BJA

Environment:
https://library-staging.mindlogger.org/
Win 10 // Chrome 99.0.4844.74
jeraka1732@wodeda.com 1234567890
applet: mix applet (jeraka)/mix activity (dropdown list item)
Applet password: Qwe123!!!