Fix Windows HUD native popup click handling

[LILQK]

Summary

Fixes Windows native popup/file-picker click handling by removing the fullscreen transparent HUD passthrough path on Windows. Windows now uses the compact HUD fallback, so the topmost transparent overlay no longer spans the desktop and cannot interfere with native popups. The fallback HUD bounds were tightened to reduce the transparent area around the controls and popovers.

Root Cause

On Windows, the HUD could be a transparent always-on-top window covering the full work area while relying on setIgnoreMouseEvents(true, { forward: true }). Native popups and file picker dialogs are sensitive to focus/z-order changes, and this fullscreen topmost overlay could prevent them from receiving clicks.

Changes

• Treat Windows as compact-HUD-only instead of fullscreen passthrough HUD.
• Gate renderer mouse passthrough tracking so it only runs on platforms that use passthrough.
• Tighten compact and expanded fallback HUD bounds.
• Update HUD bounds tests for the new fallback geometry.

Validation

• npx biome check electron/hudOverlayBounds.ts electron/hudOverlayBounds.test.ts electron/windows.ts src/components/launch/LaunchWindow.tsx src/components/launch/hooks/useLaunchHudInteractionState.ts
• npx tsc --noEmit
• npx vitest --run electron/hudOverlayBounds.test.ts src/components/launch/hudMousePassthrough.test.ts
• Built a Windows installer with npm run build:win
• Manually verified on Windows 11 that native popups/file picker interactions can be clicked while Recordly is open.

Platform Testing Note

This has only been tested on Windows 11. It has not been tested on macOS, Linux, Windows 10, or other Windows versions.

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