[gnome-shell/T27795: 80/138] Allow returning to desktop when pressing the ESC key

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 9c118810b44e751bcf897368fdc3639b493e6aed
Author: Mario Sanchez Prada <mario endlessm com>
Date:   Thu Sep 14 11:35:26 2017 +0100

    Allow returning to desktop when pressing the ESC key
    
    This allows to quickly exit the window picker mode using the keyboard.

 js/ui/viewSelector.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/viewSelector.js b/js/ui/viewSelector.js
index ebfb1d6e48..45f95a4359 100644
--- a/js/ui/viewSelector.js
+++ b/js/ui/viewSelector.js
@@ -391,10 +391,13 @@ var ViewSelector = class {
         let symbol = event.get_key_symbol();
 
         if (symbol == Clutter.Escape) {
-            if (this._searchActive)
+            if (this._activePage == this._workspacesPage)
+                Main.overview.toggleWindows();
+            else if (this._searchActive)
                 this.reset();
             else
                 Main.overview.hide();
+
             return Clutter.EVENT_STOP;
         } else if (this._shouldTriggerSearch(symbol)) {
             this.startSearch(event);