create a new 'debugging' sidebar pane in support

www/support/app-support.less

@@ -47,5 +47,10 @@
     br {
         margin: 5px;
     }
+    pre.debug-data {
+        background-color: @cp_markdown-block-bg;
+        color: @cp_markdown-block-fg;
+        padding: 5px;
+    }
 }
 

www/support/inner.js

@@ -49,6 +49,9 @@ define([
             'cp-support-language',
             'cp-support-form',
         ],
+        'debugging': [
+            'cp-support-debugging-data',
+        ],
     };
 
     var supportKey = ApiConfig.supportMailbox;
@@ -225,6 +228,16 @@ define([
         return $div;
     };
 
+    create['debugging-data'] = function () {
+        var key = 'debugging-data';
+        var $div = makeBlock(key); // Msg.support_debuggingDataTitle.support_debuggingDataHint;
+        var data = APP.support.getDebuggingData().sender;
+
+        var content = h('pre.debug-data', JSON.stringify(data, null, 2));
+        $div.append(content);
+
+        return $div;
+    };
 
     var hideCategories = function () {
         APP.$rightside.find('> div').hide();
@@ -237,6 +250,12 @@ define([
         });
     };
 
+    var icons = {
+        tickets: 'fa-envelope-o',
+        new: 'fa-life-ring',
+        debugging: 'fa-wrench',
+    };
+
     var createLeftside = function () {
         var $categories = $('<div>', {'class': 'cp-sidebarlayout-categories'})
                             .appendTo(APP.$leftside);
@@ -250,8 +269,12 @@ define([
                 'class': 'cp-sidebarlayout-category',
                 'data-category': key
             }).appendTo($categories);
-            if (key === 'tickets') { $category.append($('<span>', {'class': 'fa fa-envelope-o'})); }
-            if (key === 'new') { $category.append($('<span>', {'class': 'fa fa-life-ring'})); }
+            var iconClass = icons[key];
+            if (iconClass) {
+                $category.append(h('span', {
+                    class: 'fa ' + iconClass,
+                }));
+            }
 
             if (key === active) {
                 $category.addClass('cp-leftside-active');