fix: init app earliest version correctly after state sync

[blindchaser]

Describe your changes and provide context

init app earliest version correctly after state sync to avoid app earliest version < block earliest version

Testing performed to validate your change

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 54.84%. Comparing base (ed1e9a4) to head (a8b3f2a).
Report is 1 commits behind head on main.

Files	Patch %	Lines
storev2/rootmulti/store.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #535      +/-   ##
==========================================
- Coverage   54.84%   54.84%   -0.01%     
==========================================
  Files         631      631              
  Lines       54788    54791       +3     
==========================================
- Hits        30050    30049       -1     
- Misses      22586    22590       +4     
  Partials     2152     2152              

Files	Coverage Δ
storev2/rootmulti/store.go	2.65% <0.00%> (-0.02%)	⬇️

... and 1 file with indirect coverage changes