rewrite baseapp tests

[tac0turtle]

Summary

Baseapp tests rely on legacy features of the sdk and amino. We should

We have an ADR being written, may be merged by the time you are reading this, #12789 that encapsulates different forms of testing, for base app we should ideally have unit tests as the e2e tests of modules cover general base app testing.

• rewrite base app tests to use new features of protobug for testing