Change reporting header param

components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/InvokerHandler.java

@@ -300,7 +300,7 @@ public class InvokerHandler extends HttpServlet {
         apiEndpoint = req.getScheme() + HandlerConstants.SCHEME_SEPARATOR + System.getProperty("iot.gateway.host")
                 + HandlerConstants.COLON + HandlerUtil.getGatewayPort(req.getScheme());
 
-        if ("reports".equalsIgnoreCase(req.getHeader("appName"))){
+        if (HandlerConstants.REPORTS.equalsIgnoreCase(req.getHeader(HandlerConstants.APP_NAME))){
             apiEndpoint = System.getProperty("iot.reporting.webapp.host");
             if (StringUtils.isBlank(apiEndpoint)){
                 log.error("Reporting Endpoint is not defined in the iot-server.sh properly.");

components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/util/HandlerConstants.java

@@ -37,6 +37,8 @@ public class HandlerConstants {
     public static final String API_COMMON_CONTEXT = "/api";
     public static final String EXECUTOR_EXCEPTION_PREFIX = "ExecutorException-";
     public static final String TOKEN_IS_EXPIRED = "ACCESS_TOKEN_IS_EXPIRED";
+    public static final String REPORTS = "Reports";
+    public static final String APP_NAME = "App-Name";
 
     public static final String SCHEME_SEPARATOR = "://";
     public static final String COLON = ":";