Set proper height for UITextView which is inside of UIStackView and UITable.headerView

The title sound like complicated, so here is layout

Layout

Solution

1. Set a layout constraint for the height of UITextView
2. Set a height of text view using sizeThatFits method. It makes the contentSize value properly
3. Change UITextView height using contentSize value of the UITextView

Before & After

[ Left: not fit height ], [ Right: Fitted height ]