fix: UserBottomSheet

lib/views/ui/chat_ui.dart

@@ -81,6 +81,7 @@ class ChatUI extends StatelessWidget {
                                 builder: (c) => UserBottomSheet(
                                   user: controller.room.getUserByMXIDSync(
                                       controller.room.directChatMatrixID),
+                                  outerContext: context,
                                   onMention: () => controller
                                           .sendController.text +=
                                       '${controller.room.directChatMatrixID} ',
@@ -379,6 +380,7 @@ class ChatUI extends StatelessWidget {
                                                     builder: (c) =>
                                                         UserBottomSheet(
                                                       user: event.sender,
+          outerContext: context,
                                                       onMention: () => controller
                                                               .sendController
                                                               .text +=

lib/views/ui/user_bottom_sheet_ui.dart

@@ -110,7 +110,8 @@ class UserBottomSheetUI extends StatelessWidget {
                     title: Text(L10n.of(context).username),
                     subtitle: Text(user.id),
                     trailing: Icon(Icons.share_outlined),
-                    onTap: () => FluffyShare.share(user.id, context),
+                    onTap: () => FluffyShare.share(
+                        user.id, controller.widget.outerContext),
                   ),
                   if (presence != null)
                     ListTile(

lib/views/user_bottom_sheet.dart

@@ -12,10 +12,12 @@ import 'ui/user_bottom_sheet_ui.dart';
 class UserBottomSheet extends StatefulWidget {
   final User user;
   final Function onMention;
+  final BuildContext outerContext;
 
   const UserBottomSheet({
     Key key,
     @required this.user,
+    @required this.outerContext,
     this.onMention,
   }) : super(key: key);
 
@@ -81,8 +83,9 @@ class UserBottomSheetController extends State<UserBottomSheet> {
         break;
       case 'message':
         final roomId = await widget.user.startDirectChat();
-        await AdaptivePageLayout.of(context)
+        await AdaptivePageLayout.of(widget.outerContext)
             .pushNamedAndRemoveUntilIsFirst('/rooms/$roomId');
+        Navigator.of(context, rootNavigator: false).pop();
         break;
     }
   }

lib/views/widgets/list_items/participant_list_item.dart

@@ -29,6 +29,7 @@ class ParticipantListItem extends StatelessWidget {
         context: context,
         builder: (c) => UserBottomSheet(
           user: user,
+          outerContext: context,
         ),
       ),
       title: Row(