Switch to side-by-side view

--- a/dirbrowser/dirbrowser.cpp
+++ b/dirbrowser/dirbrowser.cpp
@@ -23,6 +23,7 @@
 #include <QLineEdit>
 
 #include "dirbrowser.h"
+#include "application.h"
 #include "HelperStructs/Helper.h"
 #include "upadapt/upputils.h"
 #include "GUI/prefs/sortprefs.h"
@@ -117,6 +118,7 @@
 	    CDBrowser *cdb = tw->findChild<CDBrowser*>();
             if (cdb) {
 		cdb->setStyleSheet(dark);
+                cdb->setZoomFactor(Application::horizontalDPI / 96.0);
             }
         }
     }