fix(cli): fix namespaced function signatures

[holic]

@alvrs pointed this out and I thought we were only relying on the onchain registration for this but apparently not!

missed this in #2160

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[yonadaa]

LGTM, I would suggest a helper function but we don't seem to do this anywhere else in TS

[holic]

I would suggest a helper function but we don't seem to do this anywhere else in TS

if only we could call solidity from TS