fix(Felamimail): cope with empty state

Change-Id: Ia999fa2ddcf455cbf3b38bc08293826a42aa796f
Reviewed-on: http://gerrit.tine20.com/customers/18595
Tested-by: Jenkins CI (http://ci.tine20.com/) <tine20-jenkins@metaways.de>
Reviewed-by: Christian Feitl <c.feitl@metaways.de>

tine20/Felamimail/js/TreePanel.js

@@ -408,7 +408,7 @@ Ext.extend(Tine.Felamimail.TreePanel, Ext.tree.TreePanel, {
             this.applyingState = false;
         }
 
-        let node = this.getNodeById(state.selected);
+        let node = this.getNodeById(_.get(state, 'selected'));
 
         if(node) {
             node.select();

tine20/Tinebase/Tinebase.jsb2

@@ -1073,7 +1073,7 @@
           "path": "css/"
         },
         {
-          "text": "Tinebase.css",
+          "text": "Tinebase.less",
           "path": "css/"
         },
         {

tine20/Tinebase/css/Tinebase.css → tine20/Tinebase/css/Tinebase.less

@@ -1187,17 +1187,31 @@ div.x-btn-wait,
     border-radius: 100%;
 }
 
-.x-pie-0 { background-image: url(../../images/icon-set/icon_pie_0percent.svg); }
-.x-pie-10 { background-image: url(../../images/icon-set/icon_pie_10percent.svg); }
-.x-pie-20 { background-image: url(../../images/icon-set/icon_pie_20percent.svg); }
-.x-pie-30 { background-image: url(../../images/icon-set/icon_pie_30percent.svg); }
-.x-pie-40 { background-image: url(../../images/icon-set/icon_pie_40percent.svg); }
-.x-pie-50 { background-image: url(../../images/icon-set/icon_pie_50percent.svg); }
-.x-pie-60 { background-image: url(../../images/icon-set/icon_pie_60percent.svg); }
-.x-pie-70 { background-image: url(../../images/icon-set/icon_pie_70percent.svg); }
-.x-pie-80 { background-image: url(../../images/icon-set/icon_pie_80percent.svg); }
-.x-pie-90 { background-image: url(../../images/icon-set/icon_pie_90percent.svg); }
-.x-pie-100 { background-image: url(../../images/icon-set/icon_pie_100percent.svg); }
+.x-pie-0 { background-image: url(../../images/icon-set/icon_pie_0percent-small.svg); }
+.x-pie-10 { background-image: url(../../images/icon-set/icon_pie_10percent-small.svg); }
+.x-pie-20 { background-image: url(../../images/icon-set/icon_pie_20percent-small.svg); }
+.x-pie-30 { background-image: url(../../images/icon-set/icon_pie_30percent-small.svg); }
+.x-pie-40 { background-image: url(../../images/icon-set/icon_pie_40percent-small.svg); }
+.x-pie-50 { background-image: url(../../images/icon-set/icon_pie_50percent-small.svg); }
+.x-pie-60 { background-image: url(../../images/icon-set/icon_pie_60percent-small.svg); }
+.x-pie-70 { background-image: url(../../images/icon-set/icon_pie_70percent-small.svg); }
+.x-pie-80 { background-image: url(../../images/icon-set/icon_pie_80percent-small.svg); }
+.x-pie-90 { background-image: url(../../images/icon-set/icon_pie_90percent-small.svg); }
+.x-pie-100 { background-image: url(../../images/icon-set/icon_pie_100percent-small.svg); }
+
+.MD, .LG > {
+    .x-pie-0 { background-image: url(../../images/icon-set/icon_pie_0percent.svg); }
+    .x-pie-10 { background-image: url(../../images/icon-set/icon_pie_10percent.svg); }
+    .x-pie-20 { background-image: url(../../images/icon-set/icon_pie_20percent.svg); }
+    .x-pie-30 { background-image: url(../../images/icon-set/icon_pie_30percent.svg); }
+    .x-pie-40 { background-image: url(../../images/icon-set/icon_pie_40percent.svg); }
+    .x-pie-50 { background-image: url(../../images/icon-set/icon_pie_50percent.svg); }
+    .x-pie-60 { background-image: url(../../images/icon-set/icon_pie_60percent.svg); }
+    .x-pie-70 { background-image: url(../../images/icon-set/icon_pie_70percent.svg); }
+    .x-pie-80 { background-image: url(../../images/icon-set/icon_pie_80percent.svg); }
+    .x-pie-90 { background-image: url(../../images/icon-set/icon_pie_90percent.svg); }
+    .x-pie-100 { background-image: url(../../images/icon-set/icon_pie_100percent.svg); }
+}
 
 .x-btn-medium.x-btn-icon-medium-top div.x-btn-wait {
     width: 28px;