fix: duplicate token list

[jaymengxy]

Related Issue

Closes #1165

Summary of Changes

Need Regression Testing

• Yes
• No

Risk Assessment

• Low
• Medium
• High

Additional Notes

Screenshots (if applicable)

[github-actions]

PR Summary

Fixed an issue where duplicate tokens could appear in the token list by ensuring unique tokens based on their contract ID. The fix was applied to both cached and fresh token list loading scenarios. Also incremented the version code for the new release.

Changes

File	Summary
app/src/main/java/com/flowfoundation/wallet/manager/token/FungibleTokenListManager.kt	Modified token list management to prevent duplicates by using distinctBy { it.contractId() } when adding tokens from cache, fresh provider data, and during list updates.
gradle.properties	Incremented version code from 298 to 299 while maintaining version name at r2.8.7

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[github-actions]

✅ LGTM!

Review Summary

Commits Considered (1)

• c82f77f: fix: duplicate token list

Files Processed (2)

• app/src/main/java/com/flowfoundation/wallet/manager/token/FungibleTokenListManager.kt (3 hunks)
• gradle.properties (1 hunk)

Actionable Comments (0)

Skipped Comments (2)

• app/src/main/java/com/flowfoundation/wallet/manager/token/FungibleTokenListManager.kt [142-142]

  maintainability: "Reduce code duplication by extracting repeated operation"

• app/src/main/java/com/flowfoundation/wallet/manager/token/FungibleTokenListManager.kt [178-178]

  best practice: "Apply deduplication earlier in the data flow"