feat: Add DCMTK dict file load logic in main function

src/main.cpp

@@ -47,7 +47,8 @@ int main(int argc, char* argv[])
 
     //qputenv("QT_LOGGING_RULES", QByteArray("qt.virtualkeyboard=true"));
 
-
+    const char* dicomDictPath = "/usr/local/share/dcmtk/dicom.dic";
+    setenv("DCMDICTPATH", dicomDictPath, 1);
     UsctApplication a(argc, argv);
     qRegisterMetaType<QPair<QString, uint>>("QPair<QString, uint>");
     qRegisterMetaType<Qt::Orientation>("Qt::Orientation");