[gtk/wip/chergert/macos-iosurface] fix popover layouts

[Christian Hergert <chergert src gnome org>]

commit fc2f7583469f9c7de7e3ba227e213907590d8b48
Author: Christian Hergert <christian hergert me>
Date:   Wed Feb 9 15:52:26 2022 -0800

    fix popover layouts

 gdk/macos/GdkMacosLayer.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gdk/macos/GdkMacosLayer.c b/gdk/macos/GdkMacosLayer.c
index 94f3613309..5b195f2b4f 100644
--- a/gdk/macos/GdkMacosLayer.c
+++ b/gdk/macos/GdkMacosLayer.c
@@ -139,6 +139,8 @@ fromCGRect (const CGRect rect)
   if (self == NULL)
     return NULL;
 
+  self->_layoutInvalid = TRUE;
+
   [self setContentsGravity:kCAGravityCenter];
   [self setContentsScale:1.0f];
   [self setGeometryFlipped:YES];