* chore: mv SwapButton to dir

* chore: mv approval data to its own hook

* chore: mv approval actions to approvals hook

* chore: simplify SwapButton logic

* fix: pass through approval amount

* fix: mv error handling to consumer

* fix: invert stale callback

* fix: polling and validation logic

* fix: rm unused conditional

* fix: apply scrollbar css on first render

* fix: useUnmount portability

* chore: clean up dialog ordering

* fix: dialog border-radius

* chore: cleanup dialog unmount animation

* fix: do not delay trade update

* fix: do not delay initial input

* chore: mv useFilterFresh to its own hook

* fix: use a minimum fresh block

* fix: re-poll on stale data

* chore: rename to staleCallback

* check for undefined

* chore: rename fresh->valid
Co-authored-by: ianlapham <ianlapham@gmail.com>

* fix: price impact rendering

* fix: webkit-compat gradient

* fix: loading transition

* fix: add check to usePoll

* add syncing state to trade loading

* remove log statement

* update loading state

* update useLast trade logic

* nit fixes

* chore: refactor useComputeSwapInfo to include usdc

* chore: use passed usdc if able

* fix: fixture

* feat: usePoll

* chore: comments

* fix: cleanup

* fix: review updates

* fix: lint nits

* feat: make Expando element

* fix: cleanup

* fix: simplify margin

* fix: summary height

* fix: special case gap transition