Fixing IOTS-159: Adding meaningfull messages

components/iot-plugins/iot-base-plugin/org.wso2.carbon.device.mgt.iot.ui/src/main/resources/jaggeryapps/devicemgt/app/units/iot.unit.device.operation-bar/public/js/operation-bar.js

@@ -61,9 +61,15 @@ function submitForm(formId) {
     var statusIcon = content.find("#status-icon");
     var description = content.find("#description");
     var successCallBack = function (response) {
+        var res = response;
+        try {
+            res = JSON.parse(response).messageFromServer;
+        } catch (err) {
+            //do nothing
+        }
         title.html("Response Received!");
-        statusIcon.attr("class", defaultStatusClasses + " fw-success");
+        statusIcon.attr("class", defaultStatusClasses + " fw-check");
-        description.html(response);
+        description.html(res);
         $(modalPopupContent).html(content.html());
     };
     var errorCallBack = function (response) {