Extract CD ticket code from 1154UT vendor blocks

src/lib/scripts/czechrailways.js

@@ -171,6 +171,8 @@ function parsePdfTicket(content, node, triggerNode) {
 
         if (triggerNode.result[0]['@type'] == 'TrainReservation') {
             res = JsonLd.apply(triggerNode.result[0], res);
+            res.reservationNumber = triggerNode.content.block('1154UT').findSubBlock('KK').content;
+            res.reservedTicket.ticketNumber = triggerNode.result[0].reservationNumber;
         } else {
             res.reservedTicket = triggerNode.result[0];
         }

src/lib/uic9183/vendor1154block.cpp

@@ -133,7 +133,7 @@ Vendor1154UTSubBlock Vendor1154UTBlock::findSubBlock(const char id[SubBlockTypeS
 
 QVariant Vendor1154UTBlock::findSubBlock(const QString &str) const
 {
-    if (str.size() != 3 || !isValid()) {
+    if (str.size() != 2 || !isValid()) {
         return {};
     }
     const auto b = findSubBlock(str.toUtf8().constData());