fix(macOS): correct value for work_area.position.y

[jbaudanza]

Currently, the value of work_area.position.y is returning 0. On a screen with a menubar, this should be something like 38. This makes it difficult to position windows at the top of the screen correctly.

This calculation was originally set in #13309, however the math seems incorrect.

This calculation was removed in #13401, which set the value back to 0.

You can set the window position to 0, and it seems the system will (usually, not always) move the window below the menu bar. However, it would be better if I can just directly move the window to where it should be (y=38).

The PR attempts to correct the calculation for position.y. It takes into account the bottom-up coordinate system used by visible_frame. It should work correctly regardless of the menu bar size and presence.

[github-actions]

Package Changes Through 9dcc0cf

There are 4 changes which include tauri-utils with patch, tauri-build with patch, tauri-cli with patch, tauri with patch

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
tauri-utils	2.8.1	2.8.2
tauri-bundler	2.7.5	2.7.6
tauri-runtime	2.9.2	2.9.3
tauri-runtime-wry	2.9.3	2.9.4
tauri-codegen	2.5.2	2.5.3
tauri-macros	2.5.2	2.5.3
tauri-plugin	2.5.2	2.5.3
tauri-build	2.5.3	2.5.4
tauri	2.9.5	2.9.6
@tauri-apps/cli	2.9.6	2.9.7
tauri-cli	2.9.6	2.9.7

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