Multiple Connector: Ignores folder ID selected from ExactTarget settings

Description

Steps to reproduce

1. Install the ExactTarget connector.
2. From Admin mode, choose the setting with Data Extensions Folder = 'Data Extensions for Epi Connector' .
3. Create a new form.
4. Expand the Mappings > MA System Database dropdown.

Expected:
Only filters from the selected folder 'Data Extensions for Epi Connector' are listed.

Actual:
All filters for Data Extensions are available in the list.