FrameSender: fix memory corruption while writing to the QCanBusFrame with empty payload

framesenderwindow.cpp

@@ -1054,8 +1054,6 @@ void FrameSenderWindow::processCellChange(int line, int col)
             }
             break;
         case ST_COLS::SENDTAB_COL_DATA: //Data bytes
-            for (int i = 0; i < 8; i++) sendingData[line].payload().data()[i] = 0;
-
 #if QT_VERSION >= QT_VERSION_CHECK( 5, 14, 0 )
             tokens = ui->tableSender->item(line, ST_COLS::SENDTAB_COL_DATA)->text().split(" ", Qt::SkipEmptyParts);
 #else

re/flowviewwindow.cpp

@@ -851,7 +851,7 @@ void FlowViewWindow::updatePosition(bool forward)
         int maxVal = qMin(chunk * 8 + 8, frameCache.at(currentPosition).payload().length());
         for (int i = chunk * 8; i < maxVal; i++)
         {
-            unsigned char thisByte = static_cast<unsigned char>(frameCache.at(currentPosition).payload().data()[i]);
+            unsigned char thisByte = static_cast<unsigned char>(frameCache.at(currentPosition).payload()[i]);
             cngByte = currBytes[i] ^ thisByte;
             changedBits |= (uint64_t)cngByte << (8ull * (i & 7));
         }