Modify IOS ScreenEdge to All

Currently whenever I touch the screen the app crashes.

Note, that this isn't the real culprit but rather a workaround, for more info see:
rust-windowing#1843

src/platform_impl/ios/window.rs

@@ -661,7 +661,7 @@ impl Default for PlatformSpecificWindowBuilderAttributes {
             valid_orientations: Default::default(),
             prefers_home_indicator_hidden: false,
             prefers_status_bar_hidden: false,
-            preferred_screen_edges_deferring_system_gestures: Default::default(),
+            preferred_screen_edges_deferring_system_gestures: Default::ALL,
         }
     }
-}
+}