* Swap: populate 'status' from 'btc/swap' response instead of waiting for first websocket input.
## Issue
Clsoes 5975: swap stop at processing even though response comes through
## Notes
Occasionally, the first websocket message doesn't come through (seems like the commerce didn't send?). There's really no need to wait for one more 'status=NEW' message to ensure the right data is being populated (being over-cautious here).
* Beautify the "exact amount" advice.
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