fix: bug on multiple tx replacements

[thomas-nguy]

👮🏻👮🏻👮🏻 !!!! REFERENCE THE PROBLEM YOUR ARE SOLVING IN THE PR TITLE AND DESCRIBE YOUR SOLUTION HERE !!!! DO NOT FORGET !!!! 👮🏻👮🏻👮🏻

Add integration tests

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	golang/​github.com/​crypto-org-chain/​cosmos-sdk@​v0.50.6-0.20250424063720-28ea58ae20d8 ⏵ v0.50.6-0.20251114132341-ca3cb50f8d06

View full report