Backport all patches to git master for various fixes inc (#1809717)

0027-input-settings-Specify-middle-click-emulation-key.patch

@@ -0,0 +1,28 @@
+From 074f4974ddc6bf8d05914bded058fd131a3fdc8a Mon Sep 17 00:00:00 2001
+From: Daniel van Vugt <daniel.van.vugt@canonical.com>
+Date: Mon, 16 Mar 2020 15:09:00 +0800
+Subject: [PATCH 27/48] input-settings: Specify middle-click-emulation key
+
+Which exists, unlike `emulate-middle`.
+
+Closes: https://gitlab.gnome.org/GNOME/mutter/issues/1124
+---
+ src/backends/meta-input-settings.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/backends/meta-input-settings.c b/src/backends/meta-input-settings.c
+index 67dfd82b2..3bee36d41 100644
+--- a/src/backends/meta-input-settings.c
++++ b/src/backends/meta-input-settings.c
+@@ -424,7 +424,7 @@ update_middle_click_emulation (MetaInputSettings  *input_settings,
+                                ClutterInputDevice *device)
+ {
+   ConfigBoolFunc func;
+-  const gchar *key = "emulate-middle";
++  const gchar *key = "middle-click-emulation";
+   MetaInputSettingsPrivate *priv = meta_input_settings_get_instance_private (input_settings);
+ 
+   if (!settings)
+-- 
+2.26.0.rc2
+