Quoting Martin Edenhofer :
*Duh*
I should have seen that. Sorry, and thanks!
[Kernel/Config.pm]
# FrontendBulkFeatureJavaScriptAlert
# (enable/disable java script popup if a bulk ticket is selected)
$Self->{FrontendBulkFeatureJavaScriptAlert} = 0;
[...]
-joho
