allow defensive operations to take a proof (#11353)

* allow defensive operations to take a proof

* Update frame/support/src/traits/misc.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/bags-list/src/list/mod.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Update frame/support/src/traits/misc.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Update frame/support/src/traits/misc.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Fix build

* fix build again

* fmt

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>