Fix deprecated values

Author: gspencergoog

packages/firebase_ai/firebase_ai/example/lib/main.dart

@@ -230,7 +230,9 @@ class _HomeScreenState extends State<HomeScreen> {
                   onChanged: widget.onBackendChanged,
                   activeTrackColor: Colors.green.withValues(alpha: 0.5),
                   inactiveTrackColor: Colors.blueGrey.withValues(alpha: 0.5),
-                  activeThumbColor: Colors.green,
+                  // Ignore until activeThumbColor is availble on stable channel.
+                  // ignore: deprecated_member_use
+                  activeColor: Colors.green,
                   inactiveThumbColor: Colors.blueGrey,
                 ),
                 Text(

packages/firebase_database/firebase_database_web/lib/src/interop/database.dart

@@ -676,12 +676,11 @@ class OnDisconnect
 /// See: <https://firebase.google.com/docs/reference/js/firebase.database.ThenableReference>.
 class ThenableReference
     extends DatabaseReference<database_interop.ThenableReferenceJsImpl> {
-  late final Future<DatabaseReference> _future = jsObject
-      .then(((database_interop.ReferenceJsImpl reference) {
-        DatabaseReference.getInstance(reference);
-      }).toJS)
+  late final Future<DatabaseReference> _future = (jsObject as JSPromise)
       .toDart
-      .then((value) => value! as DatabaseReference);
+      .then((value) => DatabaseReference.getInstance(
+            value as database_interop.ReferenceJsImpl,
+          ));
 
   /// Creates a new ThenableReference from a [jsObject].
   ThenableReference.fromJsObject(

packages/firebase_vertexai/firebase_vertexai/example/lib/main.dart

@@ -232,7 +232,9 @@ class _HomeScreenState extends State<HomeScreen> {
                   onChanged: widget.onBackendChanged,
                   activeTrackColor: Colors.green.withValues(alpha: 0.5),
                   inactiveTrackColor: Colors.blueGrey.withValues(alpha: 0.5),
-                  activeThumbColor: Colors.green,
+                  // Ignore until activeThumbColor is availble on stable channel.
+                  // ignore: deprecated_member_use
+                  activeColor: Colors.green,
                   inactiveThumbColor: Colors.blueGrey,
                 ),
                 Text(