TF-691 Persist mailbox selected when click outside destination picker to close

lib/features/mailbox_creator/presentation/mailbox_creator_controller.dart

@@ -140,8 +140,14 @@ class MailboxCreatorController extends BaseController {
           arguments: DestinationPickerArguments(accountId!, MailboxActions.create)
       );
 
-      selectedMailbox.value = destinationMailbox;
-      _createListMailboxNameAsStringInMailboxLocation();
+      if (destinationMailbox is PresentationMailbox) {
+        final mailboxDestination = destinationMailbox == PresentationMailbox.unifiedMailbox
+            ? null
+            : destinationMailbox;
+
+        selectedMailbox.value = mailboxDestination;
+        _createListMailboxNameAsStringInMailboxLocation();
+      }
     }
   }
 

lib/features/mailbox_creator/presentation/mailbox_creator_view.dart

@@ -32,8 +32,12 @@ class MailboxCreatorView extends GetWidget<MailboxCreatorController> {
                 SizedBox(child: _buildBody(context), width: ResponsiveUtils.defaultSizeDrawer),
                 Expanded(child: Container(color: Colors.transparent)),
               ]),
+              landscapeTablet: Row(children: [
+                SizedBox(child: _buildBody(context), width: ResponsiveUtils.defaultSizeLeftMenuMobile),
+                Expanded(child: Container(color: Colors.transparent)),
+              ]),
               tabletLarge: Row(children: [
-                SizedBox(child: _buildBody(context), width: ResponsiveUtils.defaultSizeDrawer),
+                SizedBox(child: _buildBody(context), width: ResponsiveUtils.defaultSizeLeftMenuMobile),
                 Expanded(child: Container(color: Colors.transparent)),
               ]),
               desktop: Row(children: [