[V130-specific] Consistent updating of MaxGas and GasRate when a TxOutItem joins the outbound queue
[V130-specific]
Intended to close #1909 (closed)
'Joining the outbound queue can lower a TxOutItem's GasRate without lowering its MaxGas'.
[V130-specific]
Intended to close #1909 (closed)
'Joining the outbound queue can lower a TxOutItem's GasRate without lowering its MaxGas'.