TF-1594 Move SendEmailInteractor to MailboxDashboardController to handle async send email

(cherry picked from commit 63aec51a6ea6e827ea924e91a13ec78d7f48edf7)

core/lib/presentation/utils/app_toast.dart

@@ -145,11 +145,19 @@ class AppToast {
     );
   }
 
-  void showToastWithIcon(BuildContext context, {
-      String? message, String? icon, Color? bgColor, Color? iconColor,
-      Color? textColor, double? radius, EdgeInsets? padding,
-      TextStyle? textStyle, double? widthToast, Duration? toastLength,
-      Duration? delayTime}) async {
+  void showToastWithIcon(
+    BuildContext context, {
+    String? message,
+    String? icon,
+    Color? bgColor,
+    Color? iconColor,
+    Color? textColor,
+    double? radius,
+    EdgeInsets? padding,
+    TextStyle? textStyle,
+    double? widthToast,
+    Duration? toastLength
+  }) async {
     double sizeWidth = context.width > 360 ? 360 : context.width - 40;
     final toast = Material(
       color: bgColor ?? Colors.white,
@@ -182,9 +190,6 @@ class AppToast {
       ),
     );
     fToast.init(context);
-    if (delayTime != null) {
-      await Future.delayed(delayTime);
-    }
     fToast.showToast(
       child: toast,
       gravity: ToastGravity.BOTTOM,