internal: get pending and queued transaction by address (#22992)

* core, eth, internal, les, light: get pending and queued transaction by address

* core: tiny nitpick fixes

* light: tiny nitpick

Co-authored-by: mark <mark@amis.com>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>

les/api_backend.go

@@ -219,6 +219,10 @@ func (b *LesApiBackend) TxPoolContent() (map[common.Address]types.Transactions,
 	return b.eth.txPool.Content()
 }
 
+func (b *LesApiBackend) TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
+	return b.eth.txPool.ContentFrom(addr)
+}
+
 func (b *LesApiBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
 	return b.eth.txPool.SubscribeNewTxsEvent(ch)
 }