Column (header | footer)/data mismatch in case of virtual table (>3.0.0)

[serche]

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

I'm using ...

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

Current Behaviour

Column header/data mismatch in case of virtual table with enabled grouping and fixed columns.

Expected Behaviour

Column's header matches column's data

Steps to Reproduce

See demo below. Scroll to the last column.

Link to the example that reproduces the issue: <https://codesandbox.io/s/distracted-euclid-k5e93?file=/demo.js&gt; (you can fork one of our pre-configured examples on CodeSandbox).

Screenshots

Environment

• devextreme-reactive: 3.0.1
• react: xxx
• browser: xxx
• bootstrap: none
• react-bootstrap: none
• material-ui: none