swap state maker exit hang
When maker claim errors and swap state `exit()` is called, and the next expected stage is ContractReady, the exit hangs.

```
2023-03-06T18:31:50.047-0600	WARN	xmrmaker	xmrmaker/claim.go:65	failed to claim using relayers: f
ailed to submit transaction to any relayer
2023-03-06T18:31:50.047-0600	WARN	xmrmaker	xmrmaker/event.go:269	failed to claim funds from contra
ct, attempting to safely exit: failed to submit transaction to any relayer
2023-03-06T18:31:50.047-0600	DEBUG	xmrmaker	xmrmaker/swap_state.go:335	attempting to exit swap: 
nextExpectedEvent=EventContractReadyType
```