Use string template literal for IconLoader.

app/util/IconLoader.js

@@ -39,7 +39,7 @@ Ext.define('Hamsket.util.IconLoader', {
 							return bg.slice(5, -2);
 						})();`).then(function (backgroundImage) {
 							if (backgroundImage) {
-								service.setTitle('<img src="'+backgroundImage+'" width="" style="background-color: white;border-radius: 50%;position: absolute;left: 18px;top: 17px;width: 12px;">'+service.title);
+								service.setTitle(`<img src="${backgroundImage}" width="" style="background-color: white;border-radius: 50%;position: absolute;left: 18px;top: 17px;width: 12px;">`+service.title);
 								service.fireEvent('iconchange', service, backgroundImage, service.icon);
 							}
 							return true;