[feature] Improve advanced swap queue scoring and sorting

Son of Odinrequested to merge
odin/adv-swap-queue-scoring-sorting into develop

Summary

Two improvements to the advanced swap queue:

  1. Score based on sub-swap size: Streaming swaps are now scored based on their next sub-swap size instead of total deposit, ensuring fair queue prioritization

  2. Sort limit swaps before market swaps: Limit swaps are prioritized over market swaps while preserving score-based ordering within each type group

Changes

  • x/thorchain/manager_adv_swap_queue_current.go: Updated scoreMsgs() to use NextSize() for streaming swap scoring
  • x/thorchain/manager_swap_queue.go: Added type-based sorting in Sort() method
  • x/thorchain/manager_adv_swap_queue_current_test.go: Added 4 new tests

Testing

  • All existing unit tests pass
  • Added new tests:
    • TestScoreMsgsUsesSubSwapSize
    • TestScoreMsgsPartiallyExecutedStreamingSwap
    • TestLimitSwapsSortedBeforeMarketSwaps
    • TestLimitSwapsPreserveScoreOrderWithinType

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