Filter form reset fixes
Any of these might be breaking. I don't think they are, but they might be.
- Don't treat filter form items without name attribute as filters. This is to keep from resetting bootstrap-multiselect checkboxes
- Render Griddly default string using enums for string values because that's what we do everywhere else.
- Don't fire DOM reset event on form reset button click because jQuery is picking that up and calling reset again after we've already reset and set defaults -- which kills our defaults.