fix: adding querier to query messages

[themantre]

Description

Add querier to QueryVote and QueryProposal messages by including the address of the querier. This serves two purposes:

1. Provides which node is querying the vote or proposal.
2. Prevents message ID collisions when multiple nodes query the same vote or proposal, since the querier address are not the same.

[codecov]

Codecov Report

Merging #878 (3c95e83) into main (45ddf43) will decrease coverage by 0.04%.
The diff coverage is 88.88%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #878      +/-   ##
==========================================
- Coverage   83.25%   83.22%   -0.04%     
==========================================
  Files         170      170              
  Lines        8554     8556       +2     
==========================================
- Hits         7122     7121       -1     
- Misses       1094     1096       +2     
- Partials      338      339       +1