title	issue
Fix display warning alert	NEXT-18634

Administration

Removed flowChanges computed in /module/sw-flow/page/sw-flow-detail/index.js.
Changed beforeRouteLeave in /module/sw-flow/page/sw-flow-detail/index.js hook to use new logic for checking has any change.
Added new originFlow state in /module/sw-flow/state/flow.state.js to compare with new change data.
Added new hasFlowChanged getter in /module/sw-flow/state/flow.state.js to detected change data.