Summary:
GBFilePicker content type does not work in multi-input
Detailed Description:
When adding an input field to advanced content multi inputs of typ
'GBFilePicker', the result is a WYSIWYG box instead of a file picker.
example of input field:
{content_module block='background' module='GBFilePicker' mode='browser'
label='Select Background image'}
If this same content module block is used anywhere else (such as in a template),
it works fine.