x/gov: param updates does not pupulate current params

[hard-nett]

Specifications

Terp-Core version: Terpd version
OS & Version: Windows/Linux/OSX
Commit hash:

Expected behavior

When proposal is being curated, current parameters for chain should be populated in any proposal.josn terpd curates.

Actual behavior

Empty values in templates, requires usesers to manually populate

Steps to reproduce the behavior

create draft update params proposal: terpd tx gov draft-proposal
see draft_proposal.json has empty values for any module

SOLUTION

utilize rpc and default rpcs to access this information from app-state via api