implemented message forwarding and direct chat creation from group members, and added specialized share picker for forwarded content

lib/routing/app_routes.dart

@@ -135,6 +135,18 @@ class AppRoutes {
     );
   }
 
+  static void openForwardMessageToChat(
+    BuildContext context, {
+    String? text,
+    RemoteFileRef? file,
+  }) {
+    pushScreen(
+      context,
+      withNavBar: false,
+      screen: ShareChatPicker.forMessageForward(text: text, file: file),
+    );
+  }
+
   static void openInternalSaveToFolder(
     BuildContext context,
     RemoteFileRef file,