feat: Add fee.{payer,granter} and tip fields to StdSignDoc (#10348)

* Add IsTipper

* Use addr in signer data

* Always populate addr in signer data

* fi error messages

* make proto gen

* fix build

* Add fields to sign docs and sign mode handler

* Remove getSequence

* Update x/auth/migrations/legacytx/stdtx.go

Co-authored-by: Simon Warta <2603011+webmaster128@users.noreply.github.com>

* Update x/auth/migrations/legacytx/stdsign.go

Co-authored-by: Simon Warta <2603011+webmaster128@users.noreply.github.com>

* Use addressCodec

* NewTxConfig with addrCdc

* REmove simapp.NewBech32

* Move bech32 stuff to x/auth/address

* Add changelog

* Move address.Codec to x/auth

* Fix test

* Add tests for tipper and feepayer

* Rename tests

* Add more tests

* Empty tip test

* Revert unwanted files

* Less line diff

* fix test

* fix another test

* Fix test

* Update x/auth/migrations/legacytx/stdtx_test.go

Co-authored-by: atheeshp <59333759+atheeshp@users.noreply.github.com>

* Address reviews

Co-authored-by: Simon Warta <2603011+webmaster128@users.noreply.github.com>
Co-authored-by: atheeshp <59333759+atheeshp@users.noreply.github.com>

types/tx/tips.go

@@ -0,0 +1,11 @@
+package tx
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+// TipTx defines the interface to be implemented by Txs that handle Tips.
+type TipTx interface {
+	sdk.FeeTx
+	GetTip() *Tip
+}