[SmartHint] Outlined style issue when TextBox is stretched vertically

[nicolaihenriksen]

The placement of the hint is wrong when the TextBox is vertically stretched.

Original post:

          2)

VerticalAlignment="Stretch" VerticalContentAlignment="Stretch"

VerticalAlignment="Stretch" VerticalContentAlignment="Top"

Originally posted by @omllmo in https://github.com/MaterialDesignInXAML/MaterialDesignInXamlToolkit/issues/3695#issuecomment-2412849061