Add a detailed view to SPA (OpenStack Snapshots)

Closes #3265544

modules/cloud_dashboard/cloud_dashboard/src/constant/entity_info_template/openstack/snapshot.ts

+import EntityInfoTemplate from 'model/EntityInfoTemplate';
+
+// Template for displaying detailed information about entities in OpenStack.
+const OPENSTACK_SNAPSHOT_TEMPLATE: EntityInfoTemplate = {
+  cloudServiceProvider: 'openstack',
+  entityName: 'snapshot',
+  entityRecords: [
+    {
+      panelName: 'Snapshot',
+      tableRecordList: [],
+      keyValueRecords: [
+        { labelName: 'Description', name: 'description', type: 'default' },
+        { labelName: 'Snapshot ID', name: 'snapshot_id', type: 'default' },
+        { labelName: 'Volume ID', name: 'volume_id', type: 'default' },
+        { labelName: 'Size (GB)', name: 'size', type: 'number' },
+        { labelName: 'Status', name: 'status', type: 'default' },
+        { labelName: 'Progress', name: 'progress', type: 'default' },
+        { labelName: 'Created', name: 'created', type: 'datetime' },
+      ]
+    },
+    {
+      panelName: 'Others',
+      tableRecordList: [],
+      keyValueRecords: [
+        { labelName: 'Cloud service provider ID', name: 'cloud_context', type: 'default' },
+      ]
+    },
+  ]
+};
+
+export default OPENSTACK_SNAPSHOT_TEMPLATE;