Error register ERC20 proposal (Intrarelayer)

[giansalex]

System info:

name: ethermint
server_name: evmosd
version: 0.3.0
commit: 070b668f2cbbf52548c46e96b236e09884483dd4
build_tags: ""
go: go version go1.17.1 linux/amd64

Steps to reproduce:

1. Create a RegisterERC20Proposal

Expected behavior: Proposal created

Actual behavior: error: panic message redacted to hide potentially sensitive system info: panic

Additional info: Tx Hash: 13E54561AAE5AA267DD88CB9A272654C12276AB3156937E12EAF9A762D88DF80

I found in code that app.IntrarelayerKeeper is passed as parameter before initialize
https://github.com/tharsis/evmos/blob/0effbfa510411f5b433c2c81b23f818fe9314a50/app/app.go#L378
https://github.com/tharsis/evmos/blob/0effbfa510411f5b433c2c81b23f818fe9314a50/app/app.go#L386

This obstructs some Olympus missions:

• Convert ERC20 into cosmos sdk coin
• IBC transfer of an EVM ERC20