fixing isReady method, where we were not actually checking the number of files and users in the task arguments

src/instagram_task.cpp

@@ -275,8 +275,8 @@ bool InstagramTask::isReady() {
   auto link_in_bio_size = std::get<VariantIndex::QSTRING>(getTaskArgumentValue("link_in_bio")).size();
   auto hashtags_size = std::get<VariantIndex::QSTRING>(getTaskArgumentValue("hashtags_string")).size();
   auto requested_by_size = std::get<VariantIndex::QSTRING>(getTaskArgumentValue("requested_by_string")).size();
-  auto hasFiles = std::get<VariantIndex::FILEVEC>(getTaskArgumentValue("files")).size();
-  auto user_size = std::get<VariantIndex::QSTRING>(getTaskArgumentValue("user")).size();
+  auto hasFiles = this->hasFiles();
+  auto user_size = std::get<VariantIndex::QSTRING>(getTaskArgumentValue("user")).size() > 0;
 
   return header_size > 0 && description_size > 0 && datetime_size > 0 &&
          promote_share_size > 0 && link_in_bio_size > 0 &&