patches: add Zoom completion tracking (overlay + child frame)

Zoom patch 0000 now tracks completion candidates:
- Overlay: Vertico, Icomplete, Ivy (face heuristic on before-string)
- Child frame: Corfu, Company-box (scan buffer text for selected face)
Also fixes duplicate lastCursorRect ivar when applied with VoiceOver.

patches/0006-doc-add-VoiceOver-accessibility-section-to-macOS-app.patch

@@ -1,4 +1,4 @@
-From 40bf8a0163b876e1d8f71fa8bd3c4aaa2a28ad52 Mon Sep 17 00:00:00 2001
+From 10ae74cefffd3733b8ff60e07a2b7f0dcb4d62cb Mon Sep 17 00:00:00 2001
 From: Martin Sukany <martin@sukany.cz>
 Date: Sat, 28 Feb 2026 12:58:11 +0100
 Subject: [PATCH 7/9] doc: add VoiceOver accessibility section to macOS