Base: escape quotes in Quantity::getSafeUserString

fix #12204 and fix #12206

src/Base/Quantity.cpp

@@ -28,6 +28,7 @@
 #include <array>
 #endif
 
+#include <Base/Tools.h>
 #include "Quantity.h"
 #include "Exception.h"
 #include "UnitsApi.h"
@@ -255,6 +256,8 @@ QString Quantity::getSafeUserString() const
             retString = QStringLiteral("%1 %2").arg(this->myValue).arg(this->getUnit().getString());
         }
     }
+    retString =
+        QString::fromStdString(Base::Tools::escapeQuotesFromString(retString.toStdString()));
     return retString;
 }