Allow opening app grid by clicking overview background

Referred to as "everything is lava" by the GNOME design team; include
the proposed behavior to get some testing.

0001-overviewControls-Everything-is-lava.patch

@@ -0,0 +1,39 @@
+From 778299a7d32058cbfc552c17648329d8e7161e44 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
+Date: Thu, 11 Feb 2021 18:10:56 +0100
+Subject: [PATCH] overviewControls: Everything is lava!
+
+Account for the increased distance from Activities button to the
+show-apps button by allowing clicks on the background to bring up
+the app grid.
+---
+ js/ui/overviewControls.js | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/js/ui/overviewControls.js b/js/ui/overviewControls.js
+index 32388621e..06c875332 100644
+--- a/js/ui/overviewControls.js
++++ b/js/ui/overviewControls.js
+@@ -247,6 +247,7 @@ class ControlsManager extends St.Widget {
+             style_class: 'controls-manager',
+             x_expand: true,
+             y_expand: true,
++            reactive: true,
+             clip_to_allocation: true,
+         });
+ 
+@@ -321,6 +322,11 @@ class ControlsManager extends St.Widget {
+         this.dash.showAppsButton.connect('notify::checked',
+             this._onShowAppsButtonToggled.bind(this));
+ 
++        const clickAction = new Clutter.ClickAction();
++        clickAction.connect('clicked',
++            () => (this.dash.showAppsButton.checked = true));
++        this.add_action(clickAction);
++
+         Main.ctrlAltTabManager.addGroup(
+             this.appDisplay,
+             _('Applications'),
+-- 
+2.29.2
+

gnome-shell.spec

@@ -11,6 +11,8 @@ Source0: http://download.gnome.org/sources/gnome-shell/40/%{name}-40.alpha.1.1-2
 # Replace Epiphany with Firefox in the default favourite apps list
 Patch1: gnome-shell-favourite-apps-firefox.patch
 
+Patch2: 0001-overviewControls-Everything-is-lava.patch
+
 %define eds_version 3.33.1
 %define gnome_desktop_version 3.35.91
 %define glib2_version 2.56.0
@@ -223,6 +225,7 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/evolution-calendar.de
 %changelog
 * Fri Feb 12 2021 Florian Müllner <fmuellner@redhat.com> - 40.0~alpha.1.1-6.20210212git829a096ba
 - Update snapshot to current upstream
+- Allow opening app picker by clicking overview background
 
 * Fri Feb 12 2021 Milan Crha <mcrha@redhat.com> - 40.0~alpha.1.1-5.20210202git9ce666ac1
 - Rebuilt for evolution-data-server soname version bump