gtk+3: upstream patch fixing mouse event handling

Closes #35412.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/gtk+3.rb

@@ -3,6 +3,7 @@ class Gtkx3 < Formula
   homepage "https://gtk.org/"
   url "https://download.gnome.org/sources/gtk+/3.24/gtk+-3.24.2.tar.xz"
   sha256 "5b3b05e427cc928d103561ed2e91b2b2881fe88b1f167b0b1c9990da6aac8892"
+  revision 1
 
   bottle do
     rebuild 1
@@ -30,6 +31,12 @@ class Gtkx3 < Formula
     sha256 "d847d1b4659153f0d815189039776054bccc73f85cfb967c5cc2cf0e0061d0d7"
   end
 
+  # Upstream fix, remove in next version
+  patch do
+    url "https://gitlab.gnome.org/GNOME/gtk/commit/e105fefc4923ebd035747daa7d453243eba4a836.patch"
+    sha256 "4efd9bc0c68942a8b4f3a39f683aa0d0ee5f6836012b004e9ea083894780ed91"
+  end
+
   def install
     args = %W[
       --enable-debug=minimal