fix: Add supply offsets to genesis (backport #253)

[mergify]

This is an automatic backport of pull request #253 done by Mergify.
Cherry-pick of 46bb624 has failed:

On branch mergify/bp/v0.45.0x-osmo-v7/pr-253
Your branch is up to date with 'origin/v0.45.0x-osmo-v7'.

You are currently cherry-picking commit 46bb6247d.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/core/proto-docs.md
	modified:   proto/cosmos/bank/v1beta1/genesis.proto
	modified:   proto/cosmos/base/snapshots/v1beta1/snapshot.proto
	modified:   simapp/test_helpers.go
	modified:   x/bank/keeper/genesis.go
	modified:   x/bank/keeper/genesis_test.go
	modified:   x/bank/keeper/supply_offset.go
	modified:   x/bank/legacy/v040/migrate_test.go
	modified:   x/bank/legacy/v043/json_test.go
	modified:   x/bank/types/genesis.go
	modified:   x/bank/types/genesis.pb.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   proto/cosmos/gov/v1beta1/gov.proto

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com