Add QMS for online migration

[yzang2019]

Describe your changes and provide context

This PR depends on the cosmos change in sei-protocol/sei-cosmos#542, it set IAVL store as QMS to serve query when height is below migration height. This will be served as fallback query when online migration is enabled.

Testing performed to validate your change

[codecov]

Codecov Report

Attention: Patch coverage is 28.57143% with 5 lines in your changes missing coverage. Please review.

Project coverage is 61.01%. Comparing base (6c8b336) to head (9799ecc).

Files with missing lines	Patch %	Lines
app/seidb.go	28.57%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1870      +/-   ##
==========================================
- Coverage   61.33%   61.01%   -0.32%     
==========================================
  Files         261      261              
  Lines       23152    23158       +6     
==========================================
- Hits        14201    14131      -70     
- Misses       7949     8030      +81     
+ Partials     1002      997       -5     

Flag	Coverage Δ
	61.01% <28.57%> (-0.32%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
app/seidb.go	80.35% <28.57%> (-7.65%)	⬇️

... and 3 files with indirect coverage changes