Update html/elements/template.json

Co-authored-by: Claas Augner <[email protected]>

Author: meyerweb

html/elements/template.json

@@ -176,7 +176,7 @@
               "webview_ios": "mirror"
             },
             "status": {
-              "experimental": false,
+              "experimental": true,
               "standard_track": false,
               "deprecated": false
             }