Use total active voting power in query_proposal_result

[brentstone]

Describe your changes

Need to use the total active voting power instead of total deltas inside fn query_proposal_result.

Closes #3532.

Indicate on which release or other PRs this topic is based on

v0.40.0

Checklist before merging to draft

• I have added a changelog
• Git history is in acceptable state

[codecov]

Codecov Report

Attention: Patch coverage is 7.14286% with 26 lines in your changes missing coverage. Please review.

Project coverage is 53.46%. Comparing base (8479d38) to head (6b13409).
Report is 4 commits behind head on main.

Files	Patch %	Lines
crates/sdk/src/rpc.rs	0.00%	13 Missing ⚠️
crates/sdk/src/queries/vp/pos.rs	0.00%	12 Missing ⚠️
crates/governance/src/utils.rs	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3540      +/-   ##
==========================================
- Coverage   53.48%   53.46%   -0.03%     
==========================================
  Files         320      320              
  Lines      110000   110021      +21     
==========================================
- Hits        58832    58819      -13     
- Misses      51168    51202      +34     

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