zIndex set of appointment cell element is still behind all day event, Is there is any way to work around?

[repl-shenoy-sukumaran]

• [x] I have searched this repository's issues and believe that this is not a duplicate.

I'm using ...

• [ ] React Grid
• [ ] React Chart
• [x] React Scheduler

Description

We are adding a checkbox on appointment render to select/unselect item, All functionality works fine, but part of checkbox is hidden under all day event, Is there is anyway to fix this issue? (We would like to keep the position of checkbox at the same place)

Code Sandbox Link

Link to the example that reproduces the issue: <Code Sandbox Link>

Environment

• devextreme-reactive: 21.2.4
• react: 17.0.2
• browser: chrome
• bootstrap: none
• react-bootstrap: none
• material-ui: 4.12.3

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