refactor(propagateupload): const bytesSent and structured binding

Signed-off-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>

Author: solracsf

src/libsync/propagateupload.cpp

@@ -71,7 +71,7 @@ void PUTFileJob::start()
         qCWarning(lcPutJob) << " Network error: " << reply()->errorString();
     }
 
-    connect(reply(), &QNetworkReply::uploadProgress, this, [requestID] (qint64 bytesSent, const qint64 bytesTotal) {
+    connect(reply(), &QNetworkReply::uploadProgress, this, [requestID] (const qint64 bytesSent, const qint64 bytesTotal) {
         qCDebug(lcPutJob()) << requestID << "upload progress" << bytesSent << bytesTotal;
     });
 
@@ -114,9 +114,9 @@ bool PollJob::finished()
         _item->_requestId = requestId();
         _item->_status = classifyError(err, _item->_httpErrorCode);
         _item->_errorString = errorString();
-        const auto exceptionParsed = getExceptionFromReply(reply());
-        _item->_errorExceptionName = exceptionParsed.first;
-        _item->_errorExceptionMessage = exceptionParsed.second;
+        const auto [exceptionName, exceptionMessage] = getExceptionFromReply(reply());
+        _item->_errorExceptionName = exceptionName;
+        _item->_errorExceptionMessage = exceptionMessage;
 
         if (_item->_status == SyncFileItem::FatalError || _item->_httpErrorCode >= 400) {
             if (_item->_status != SyncFileItem::FatalError