The fixedRowsTop cannot be altered by updateSettings when a row from the fixed area is removed

[AMBudnik]

Description

The fixedRowsTop cannot be altered by updateSettings when a row from the fixed area is removed.

Steps to reproduce

1. Go to https://jsfiddle.net/kn1ad3or/
2. Wait for the setTimeout to set the fixed rows on the top from 3 to 0
3. Now comment out the alter method from the 17th line and rerun the example

Result
The 1st row is removed and now rows are fixed on the top of the table.

Actual result
The 1st row is removed but we have 2 fixed rows on the top of the table.

Demo

https://jsfiddle.net/kn1ad3or/ v10 - broken
https://jsfiddle.net/cw4h1uL9/3/ v8 - broken

Your environment

• Handsontable version:
• Browser Name and version: Chrome 94
• Operating System: macOS Big Sur 11.6

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