* move the gas estimation stuff into its own hook and report errors from the gas estimation

* fix linter errors

* show the swap callback error separately

* rename some variables

* use a manually specified key for gas estimates

* flip price... thought i did this already

* only show swap callback error if approval state is approved

* some clean up to the swap components

* stop proactively looking for gas estimates

* improve some retry stuff, show errors inline

* add another retry test

* latest ethers

* fix integration tests

* simplify modal and fix jitter on open in mobile

* refactor confirmation modal into pieces before creating the error content

* finish refactoring of transaction confirmation modal

* show error state in the transaction confirmation modal

* fix lint errors

* error not always relevant

* fix lint errors, remove action item

* move a lot of code into ConfirmSwapModal.tsx

* show accept changes flow, not styled

* Adjust styles for slippage error states

* Add styles for updated price prompt

* Add input/output highlighting

* lint errors

* fix link to wallets in modal

* use total supply instead of reserves for `noLiquidity` (fixes #701)

* bump the walletconnect version to the fixed alpha
Co-authored-by: Callil Capuozzo <callil.capuozzo@gmail.com>