Issue #3212322: Convert Instance Monitor from Form to Block (AWS)

modules/cloud_service_providers/aws_cloud/js/aws_cloud_instance_monitor.js

 (function ($) {
   'use strict';
 
+  // Metrics Url.
+  // Needed as this js shares functionality with the InstanceMonitorBlock and InstanceMonitorForm.
+  const metrics_url = drupalSettings.aws_cloud_monitor_metrics_url ? drupalSettings.aws_cloud_monitor_metrics_url : 'metrics';
+
   let generateChart = function (bindTo) {
     return c3.generate({
       bindto: bindTo,
@@ -22,7 +26,7 @@
   };
 
   let updateCharts = function () {
-    $.get('metrics', function (json) {
+    $.get(metrics_url, function (json) {
       cpu_chart.load({
         columns: [
           ['x'].concat(json.cpu.timestamps),