This is not presently possible because the Wyze IFTTT actions do not include a still image feature, much less the ability to email that still. The best you can do is to trigger a short video uploaded to the cloud. But you would have to view that video in Wyze app.
Here are two Roadmap topics that you may want to visit and cast your vote for:
In the latter, you can request that the topic’s author add “trigger a still image capture” to the proposed Wyze IFTTT action list.