verification before payment and email fixes

frontend/pweb/lib/widgets/cooldown_hint.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+
+import 'package:pweb/utils/cooldown_format.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+class CooldownHint extends StatelessWidget {
+  final int seconds;
+
+  const CooldownHint({super.key, required this.seconds});
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final l10n = AppLocalizations.of(context)!;
+    return Text(
+      l10n.payoutCooldown(formatCooldownSeconds(seconds)),
+      style: theme.textTheme.bodySmall?.copyWith(
+        color: theme.colorScheme.onSurfaceVariant,
+      ),
+      textAlign: TextAlign.center,
+    );
+  }
+}