This PR move the queue out of the main transaction pool.
For now there should be no functional changes.
I see this as a first step to refactor the legacypool and make the queue
a fully separate concept from the main pending pool.
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Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
Co-authored-by: Csaba Kiraly <csaba.kiraly@gmail.com>
