[BUG] "Open In" submenu closes the entire dialog instead of opening (macOS desktop app)

When trying to open a link via the "Open In" menu item (to open the link in a browser) in the Claude Code desktop app, the submenu never opens — instead the entire dialog/popup closes instantly, so the link cannot be opened.

Steps to reproduce

1. On a link, open the context menu / popup that contains the "Open In" item (the option used to open the link in a browser).
2. Try to expand "Open In" — either by hovering with the mouse, or by selecting it with the keyboard arrow keys and pressing → / Enter.
3. The whole dialog window closes immediately; the "Open In" submenu never appears, so there is no way to choose a browser and the link does not open.

Expected

The "Open In" submenu expands and shows the available browsers / targets, allowing the link to be opened in a browser.

Actual

The entire dialog closes the moment "Open In" is activated, so the link is never opened. Happens via both mouse and keyboard, so it is not a hover-gap / diagonal-cursor issue. Reproduces every time.

Environment

• OS: macOS 26.0.1 (build 25A362)
• App version: 1.12603.1
• Platform: macOS desktop app