fix(virtual-device): Suppress warning when metadata is undefined

Author: csuermann

package-lock.json

@@ -41,14 +41,14 @@
     "singleQuote": true
   },
   "dependencies": {
-    "axios": "^1.7.7",
+    "axios": "^1.7.9",
     "bottleneck": "2.19.5",
     "color-convert": "2.0.1",
     "dayjs": "^1.11.13",
     "debounce": "1.2.1",
     "deep-eql": "4.1.3",
     "deepmerge": "4.2.2",
-    "mqtt": "^5.10.1",
+    "mqtt": "^5.10.3",
     "semver": "^7.6.3"
   },
   "overrides": {

package.json

@@ -42,8 +42,8 @@
         value: '',
         required: false,
         validate: (value) => {
-          if (value === '') {
-            // empty metadata should not be marked as invalid
+          if (value === '' || value === undefined) {
+            // empty metadata should NOT be marked as invalid
             return true
           }