[Version-unspecific] - Only refresh token meta when sanitized symbol (USD₮) changes

ZlyDevMayarequested to merge
usdt-symbol-cache into develop

Prevent GetTokenMeta from clearing cached entries whenever a symbol override exists so USD₮ keeps its cached data, avoiding extra two eth_calls on each receipt.

Summary by CodeRabbit

  • Refactor
    • Optimized cache invalidation for token symbol overrides, avoiding clears when the symbol already matches the sanitized form to reduce redundant processing.
  • Performance
    • Reduced unnecessary cache churn, improving responsiveness and lowering resource usage during token metadata handling, especially under frequent updates.
Edited by Ghost User

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