Also set javascript.unstable for organize imports in settings.json (#53047)

.vscode/settings.template.json

@@ -20,6 +20,12 @@
         "organizeImportsIgnoreCase": false,
         "organizeImportsNumericCollation": true
     },
+    "javascript.unstable": {
+        "organizeImportsCollation": "unicode",
+        "organizeImportsCaseFirst": "upper",
+        "organizeImportsIgnoreCase": false,
+        "organizeImportsNumericCollation": true
+    },
 
     // These options search the repo recursively and slow down
     // the build task menu. We define our own in tasks.json.