fix loadLogo

flutter/lib/common.dart

@@ -3089,24 +3089,25 @@ Color? disabledTextColor(BuildContext context, bool enabled) {
 }
 
 // max 300 x 60
-Widget? loadLogo() {
-  bool isFound = true;
-  final image = Image.asset(
-    'assets/logo.png',
-    fit: BoxFit.contain,
-    errorBuilder: (ctx, error, stackTrace) {
-      isFound = false;
-      return Container();
-    },
-  );
-  if (isFound) {
-    return Container(
-      constraints: BoxConstraints(maxWidth: 300, maxHeight: 60),
-      child: image,
-    ).marginOnly(left: 12, right: 12, top: 12);
-  } else {
-    return null;
-  }
+Widget loadLogo() {
+  return FutureBuilder<ByteData>(
+      future: rootBundle.load('assets/logo.png'),
+      builder: (BuildContext context, AsyncSnapshot<ByteData> snapshot) {
+        if (snapshot.hasData) {
+          final image = Image.asset(
+            'assets/logo.png',
+            fit: BoxFit.contain,
+            errorBuilder: (ctx, error, stackTrace) {
+              return Container();
+            },
+          );
+          return Container(
+            constraints: BoxConstraints(maxWidth: 300, maxHeight: 60),
+            child: image,
+          ).marginOnly(left: 12, right: 12, top: 12);
+        }
+        return const Offstage();
+      });
 }
 
 Widget loadIcon(double size) {