[FIX]History Back: Fixed the issue of history back, when calling action history_back it always redirect to home page, instead of previous view

addons/web/static/src/js/chrome.js

@@ -746,9 +746,9 @@ instance.web.client_actions.add("reload_context", "instance.web.ReloadContext");
  * If can't go back in history stack, will go back to home.
  */
 instance.web.HistoryBack = function(parent) {
-    if (!parent.history_back()) {
+    parent.history_back().fail(function() {
         instance.web.Home(parent);
-    }
+    });
 };
 instance.web.client_actions.add("history_back", "instance.web.HistoryBack");
 

addons/web/static/src/js/views.js

@@ -119,18 +119,19 @@ instance.web.ActionManager = instance.web.Widget.extend({
         if (this.widgets.length > 1) {
             widget = this.widgets[this.widgets.length - 2];
             var index = widget.view_stack && widget.view_stack.length - 1;
-            this.select_widget(widget, index);
+            return this.select_widget(widget, index);
         }
+        return $.Deferred().reject();
     },
     select_widget: function(widget, index) {
         var self = this;
         if (this.webclient.has_uncommitted_changes()) {
-            return false;
+            return $.Deferred().reject();
         }
         var widget_index = this.widgets.indexOf(widget),
             def = $.when(widget.select_view && widget.select_view(index));
 
-        def.done(function () {
+        return def.done(function () {
             if (widget.__on_reverse_breadcrumb) {
                 widget.__on_reverse_breadcrumb();
             }