Make touch device always enabled for testing

src/main.cpp

@@ -1885,6 +1885,8 @@ int main(int argc, char *argv[] )
         // handle all command line options that do not need (or must
         // not have) other managers initialised:
         initUserConfig();
+        
+        UserConfigParams::m_multitouch_enabled = true;
 
         CommandLine::addArgsFromUserConfig();