Some options for save/open, import/export.
Not sure how it will work yet.

Start reading filters from directory

Shell of filters window

Saving and loading first steps

Start on save modal

Name filter windows

Name filter windows so they aren't the same and don't conflict.
Camera sink window might need more names because of multiple filters.

Fix group present/not present

Present/not present for filterables

Fixes present and not present for filterables in a group match

Make app vcxproj filters one liners

Remove I in stored filters

Update IFilterStore.h

Start showing filters in filters manager window