* Backend setup for proposal canceling.
* Cancelable in admin, update all states to properly reflect a canceled proposal.
* Replace REFUNDING stage with CANCELED and FAILED to distinguish between the 2
* Fix pending contributions showing up as needing refunds.
* Fix some refund cases.
* Dont show failed & canceled proposals on list view. Hide their filters.
* Show when proposal was canceled.
* Remove edit action, make cancel an explanation to contact support.
* Fix PR comments
* Fix issues from develop merge.
* Rework proposal model to remove ethereum specific stuff. Removed most traces of those fields around the backend.
* Refactor to a state where /proposlas loads.
* Get rid of the ProposalWithCrowdFund type.
* Fix padding on create flow.
* Cancel / refund modal for proposals. Fix some states where frozen contract still allowed interaction.
* Add more refund states. Move styles to less.
* Fix tsc, simplify logic