TextArea with autoHeight doesn't shrink when lines deleted

[mashabow]

Bug Report

Step

1. Input multiple lines in a TextArea with autoHeight // → TextArea's height grows to fit the lines
2. Delete some lines.

Expected Result

TextArea's height shrinks to fit the remaining lines.

Actual Result

TextArea's height doesn't change on deleting.

Version

0.85.0
Does not occcur in 0.84.0.

Testcase

https://codesandbox.io/s/qzn3nzwr1j 0.85.0
https://codesandbox.io/s/104r4oy993 0.84.0 (correct)

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[layershifter]

The issue comes from #3343.