Fix bloom fallback behavior (#2494)

[stevenlanders]

Describe your changes and provide context

• fix fallback behavior
• cherry-picked from v6.2.2

[github-actions]

The latest Buf updates on your PR. Results from workflow Buf / buf (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Oct 23, 2025, 7:56 PM

[github-actions]

The latest Buf updates on your PR. Results from workflow Buf / buf (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Oct 23, 2025, 7:56 PM

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 53.00%. Comparing base (6e8b04f) to head (5559462).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
evmrpc/filter.go	0.00%	0 Missing and 1 partial ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (70.00%). You can increase the patch coverage or adjust the target coverage.
❌ Your project status has failed because the head coverage (48.29%) is below the target coverage (60.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2495       +/-   ##
===========================================
+ Coverage   40.20%   53.00%   +12.79%     
===========================================
  Files        1601     1614       +13     
  Lines      165491   135380    -30111     
===========================================
+ Hits        66536    71758     +5222     
+ Misses      93860    56980    -36880     
- Partials     5095     6642     +1547     

Flag	Coverage Δ
sei-chain	27.84% <0.00%> (+0.73%)	⬆️
sei-cosmos	52.37% <ø> (+0.28%)	⬆️
sei-db	47.29% <ø> (+2.79%)	⬆️
sei-tendermint	59.05% <ø> (?)
sei-wasmd	46.45% <ø> (+0.57%)	⬆️

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Files with missing lines	Coverage Δ
evmrpc/filter.go	72.13% <0.00%> (+0.58%)	⬆️

... and 1423 files with indirect coverage changes

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