do not WARN if no state change found for SCR tx

[BeniaminDrasovean]

No description provided.

[Copilot]

Pull request overview

This PR reduces log noise by downgrading the log level from Warn to Trace when no state accesses are found for Smart Contract Result (SCR) transactions. A new TxType enum is introduced to tag each transaction in the pool with its type, enabling the differentiated logging behavior.

Changes:

• Added a TxType enum and tagged each txWithOrder entry with its transaction type (Transaction, SCR, Reward, InvalidTx).
• Refactored getTxsWithOrder to build the slice directly instead of going through an intermediate map, also preserving the tx type.
• Changed the missing state-accesses log: SCRs now log at Trace level; other types still log at Warn level (now including txType).

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