Update wasm_exec to deal with 1.21 issues, had to define a runtime.Throw and copy the gojs to go in addition to previous changes

Project/haven beta

See merge request !109

update the synchronization functions to take a remote storage prefix path.

See merge request !140

Merge branch 'hotfix/remoteStoragePathPrefix' of git.xx.network:elixxir/xxdk-wasm into hotfix/remoteStoragePathPrefix

# Conflicts:
#   go.mod
#   go.sum