fix: improve error handling for EIP-712 encoding config init (#1543)

* Improve error handling for EIP-712 encoding config init

* changelog

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

app/app.go

@@ -104,6 +104,7 @@ import (
 	_ "github.com/evmos/ethermint/client/docs/statik"
 
 	"github.com/evmos/ethermint/app/ante"
+	"github.com/evmos/ethermint/ethereum/eip712"
 	srvflags "github.com/evmos/ethermint/server/flags"
 	ethermint "github.com/evmos/ethermint/types"
 	"github.com/evmos/ethermint/x/evm"
@@ -252,6 +253,8 @@ func NewEthermintApp(
 	cdc := encodingConfig.Amino
 	interfaceRegistry := encodingConfig.InterfaceRegistry
 
+	eip712.SetEncodingConfig(encodingConfig)
+
 	// NOTE we use custom transaction decoder that supports the sdk.Tx interface instead of sdk.StdTx
 	bApp := baseapp.NewBaseApp(
 		appName,