SDL: Set the requested window size on visionOS

SDL Commits
1 
From 908216bbae808c3f2606b47534103e459d2e86c8 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Tue, 18 Nov 2025 11:06:10 -0800
Subject: [PATCH] Set the requested window size on visionOS

---
 src/video/uikit/SDL_uikitwindow.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/video/uikit/SDL_uikitwindow.m b/src/video/uikit/SDL_uikitwindow.m
index c99106bece696..22a863e61fe0e 100644
--- a/src/video/uikit/SDL_uikitwindow.m
+++ b/src/video/uikit/SDL_uikitwindow.m
@@ -234,6 +234,10 @@ bool UIKit_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_Properti
         if (!SetupWindowData(_this, window, uiwindow, true)) {
             return false;
         }
+
+#ifdef SDL_PLATFORM_VISIONOS
+        SDL_SetWindowSize(window, window->w, window->h);
+#endif
     }
 
     return true;