Updates get nodes

manifest.jps

@@ -51,7 +51,6 @@ settings:
       - caption: Backup storage
         type: list
         tooltip: "The environment with backup storage to be used for backups creation. Presence of this environment is obligatory."
-        value: {nodes.(group)[(i)].(storage)} 
         name: storageName
         dependsOn: region
         required: true

scripts/backupOnBeforeInit.js

@@ -6,16 +6,22 @@ for (var i = 0, envInfo, env; envInfo = resp.infos[i]; i++) {
     env = envInfo.env;
     if (env.status == 1) {
         for (var j = 0, node; node = envInfo.nodes[j]; j++) {
-            if (node.nodeGroup == "storage") { 
+            if (node.nodeGroup === "storage") {
                 nodes[env.envName] = nodes[env.envName] || [];
-                if (!nodes[env.envName].includes(node.id)) {
-                    nodes[env.envName].push({
-                        id: node.id,
-                        caption: (node.displayName || node.name) + ' (' + node.nodeGroup + ')'
-                    });
-                }
+                nodes[env.envName].groups = nodes[env.envName].groups || {};
+                if (!nodes[env.envName].groups[node.nodeGroup]) nodes[env.envName].push({
+                    value: node.nodeGroup,
+                    caption: (node.displayName || node.name) + ' (' + node.nodeGroup + ')'
+                });
+                nodes[env.envName].groups[node.nodeGroup] = true;
             }
         }
+        if (nodes[env.envName] && nodes[env.envName].length > 0) {
+            envs.push({
+                value: env.envName,
+                caption: (env.displayName + " (" + env.envName + ")"  || env.envName)
+            });
+        }
     }
 }