Firefox 144 adds request-close on HTMLButtonElement.command (#28113)

* added firefox version for request-close value

* updated experimental value

Author: dletorey

api/HTMLButtonElement.json

@@ -141,15 +141,7 @@
               "chrome_android": "mirror",
               "edge": "mirror",
               "firefox": {
-                "version_added": "preview",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "dom.element.commandfor.enabled",
-                    "value_to_set": "true"
-                  }
-                ],
-                "impl_url": "https://bugzil.la/1983523"
+                "version_added": "144"
               },
               "firefox_android": "mirror",
               "oculus": "mirror",
@@ -164,7 +156,7 @@
               "webview_ios": "mirror"
             },
             "status": {
-              "experimental": true,
+              "experimental": false,
               "standard_track": true,
               "deprecated": false
             }