adding from email

Author: Sachin Maheshwari

src/main/java/com/appirio/tech/core/service/identity/resource/UserResource.java

@@ -913,6 +913,11 @@ public ApiResponse resendEmail(
         }
 
         payload.put("data", data);
+
+        Map<String,Object> from = new LinkedHashMap<String,Object>();
+        from.put("email", String.format("Topcoder <noreply@%s>", getDomain()));
+        payload.put("from", from);
+
         payload.put("version", "v3");
         payload.put("sendgrid_template_id", this.getSendgridTemplateId());