BUG: Fix -Wint-in-bool-context in ctkDICOMPatientItemWidget

This commit addresses the following warning:

/path/to/CTK/Libs/DICOM/Widgets/ctkDICOMPatientItemWidget.cpp:791:35: warning: enum constant in boolean context [-Wint-in-bool-context]
  791 |       (Qt::ControlModifier || Qt::ShiftModifier))
      |                                   ^~~~~~~~~~~~~

Libs/DICOM/Widgets/ctkDICOMPatientItemWidget.cpp

@@ -787,8 +787,7 @@ void ctkDICOMPatientItemWidget::onSeriesItemClicked()
     return;
     }
 
-  if (QApplication::keyboardModifiers() &&
-      (Qt::ControlModifier || Qt::ShiftModifier))
+  if (QApplication::keyboardModifiers() & (Qt::ControlModifier | Qt::ShiftModifier))
     {
     return;
     }