* Use cosmossdk.io/errors for deprecated error methods
* Update error registration with cosmossdk.io/errors
* Use cosmossdk.io/math for deprecated sdk.Int alias
* Fix modified proto file
* Update sdk.Int usage in swap hooks
* Update e2e test deprecated method usage
* add regression test for hooks; refactor deposit to commit pool and
shares in one place with commit after validation checks; panic on pool
and share set methods if the record is invalid
* use correct hook ordering; add regression test for order - fails if
hooks are not called before or after share record set
