test(evm): EVM Module keeper-based tests

[Unique-Divine]

Happy Paths

• Happy path tests for all tx types in the EVM module
• Happy path tests for the "IFunToken.sol" precompile, which makes it possible to send ERC20 tokens to a "nibi"-prefixed bech32 address.
• Happy path tests for each gRPC query

More Elaborate Tests

• test: CreateFunToken (from ERC20) with ownership and balance validation
• test: CreateFunToken (from bank coin) with ownership and balance validation
• test: FunToken precompile with ownership and balance validation. Validate balances inside and outside the EVM
• test: that fees are properly deducted from CreateFunToken
• test(precompile): Add sad paths for calls that we expect to fail
• test(precompile): ERC20Minter.burnFromAuthority permissions and behavior