Re-do this video. Show step by step the wiring to the chime box. You skipped that part likely because the Wyze instructions are confusing (I read them). So lets see if your chime box still rings.
You have the corner plate the wrong way. The smooth side goes against the wall; look on the other side and you'll see the other plate sits inside that corner plate with 4 small "clips" (2 top and 2 bottom)...