[ecash-lib] Add missing modules/ecash-lib-wasm to a few CI tests

Summary: Currently, updating ecash-lib-wasm doesn't run any tests, but it should run tests that depend on the WebAssembly being built correctly.

Test Plan: CI

Reviewers: Fabien, #bitcoin_abc

Reviewed By: Fabien, #bitcoin_abc

Differential Revision: https://reviews.bitcoinabc.org/D16912