fix(containers): исключить опрос выключенных серверов и ложные пустые данные

docs/ux-ui/acceptance/containers249-live-ui.json

@@ -0,0 +1,46 @@
+{
+  "date": "2026-10-14",
+  "block": "12.5.249",
+  "realPortalLogin": true,
+  "noMocks": true,
+  "stateStatus": 200,
+  "availability": [
+    {
+      "serverId": 1,
+      "availability": "unsupported"
+    },
+    {
+      "serverId": 2,
+      "availability": "unsupported"
+    }
+  ],
+  "legacy": [
+    {
+      "path": "/api/containers",
+      "status": 200,
+      "count": 0
+    },
+    {
+      "path": "/api/servers/1/containers",
+      "status": 200,
+      "count": 0
+    },
+    {
+      "path": "/api/servers/2/containers",
+      "status": 200,
+      "count": 0
+    }
+  ],
+  "views": [
+    {
+      "width": 1440,
+      "globalOverflow": false
+    },
+    {
+      "width": 390,
+      "globalOverflow": false
+    }
+  ],
+  "pageErrors": [],
+  "nonAuthApiWrites": 0
+}