refactor: Remove Outcome from network requests (#4959)

src/widgets/splits/SplitHeader.cpp

@@ -804,7 +804,7 @@ void SplitHeader::updateChannelText()
             {
                 NetworkRequest(url, NetworkRequestType::Get)
                     .caller(this)
-                    .onSuccess([this](auto result) -> Outcome {
+                    .onSuccess([this](auto result) {
                         // NOTE: We do not follow the redirects, so we need to make sure we only treat code 200 as a valid image
                         if (result.status() == 200)
                         {
@@ -816,7 +816,6 @@ void SplitHeader::updateChannelText()
                             this->thumbnail_.clear();
                         }
                         this->updateChannelText();
-                        return Success;
                     })
                     .execute();
                 this->lastThumbnail_.restart();