fix(app): preserve macos titlebar inset (#34594)

Co-authored-by: Brendan Allan <14191578+Brendonovich@users.noreply.github.com>
Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com>

packages/app/src/components/titlebar.tsx

@@ -229,7 +229,8 @@ export function Titlebar(props: { update?: TitlebarUpdate }) {
       }}
       style={{
         "min-height": minHeight(),
-        "padding-left": mac() && !mobile() ? `${84 / zoom()}px` : 0,
+        // Keep native macOS traffic lights clear even when the desktop window is narrow.
+        "padding-left": mac() ? `${84 / zoom()}px` : 0,
         width: electronWindows() ? `env(titlebar-area-width, calc(100vw - ${windowsControlsWidth()}))` : undefined,
         "max-width": electronWindows()
           ? `env(titlebar-area-width, calc(100vw - ${windowsControlsWidth()}))`