I created 2 additional test users to use them as MXID we lookup during room creation.
I.e. we will not login as those users, it's just 2 known MXIDs that we know exist so we can look them up.
- https://github.com/vector-im/element-x-android/issues/409
Fix a few FFI leaks
These are instances where we obtain an FFIObject and don't call
Close on it to release the underlying reference on the Rust side.
The worst instance here was leaking an object per room member
every time we refreshed the member list