lokdialog: Disable filepicker for LOK

We don't want people to browser their jails in the filepicker dialog.

Change-Id: I2fdd3d948cc1f193098492d1a310424ac2d49317

fpicker/source/office/iodlg.cxx

@@ -69,6 +69,7 @@
 #include <com/sun/star/beans/XPropertySet.hpp>
 
 #include <comphelper/interaction.hxx>
+#include <comphelper/lok.hxx>
 #include <comphelper/processfactory.hxx>
 #include <comphelper/string.hxx>
 
@@ -1797,6 +1798,9 @@ void SvtFileDialog::EnableControl( Control* _pControl, bool _bEnable )
 
 short SvtFileDialog::PrepareExecute()
 {
+    if (comphelper::LibreOfficeKit::isActive())
+        return 0;
+
     OUString aEnvValue;
     if ( getEnvironmentValue( "WorkDirMustContainRemovableMedia", aEnvValue ) && aEnvValue == "1" )
     {