RFR: 8371106: [macOS] Min/max window height is incorrect for EXTENDED StageStyle

[Andy Goryachev]

On Mon, 10 Nov 2025 07:58:17 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

> This patch fixes window size contraints for an `EXTENDED` stage. In contrast to the suggested workaround in the JBS ticket of querying the value of [`NSWindow.minSize`](https://developer.apple.com/documentation/appkit/nswindow/minsize?language=objc) to find out the added size for the toolbar, I've found it easier to set the [`NSWindow.contentMinSize`](https://developer.apple.com/documentation/appkit/nswindow/contentminsize?language=objc) property instead.
> 
> This is only done for `EXTENDED` stages, preserving the existing behavior for all other stage styles, and it works because extended stages use a full-size content view that covers the entire window. It also makes it unnecessary to take the toolbar height into consideration, which would be necessary if we used the `minSize` property instead.

Marked as reviewed by angorya (Reviewer).

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PR Review: https://git.openjdk.org/jfx/pull/1967#pullrequestreview-3445006742