Not sure if why not tracking each other but can explain that the Preview Window is like an automatically reloaded web browser. When it detects changes in CodeView editing it will grab a copy of what it can from the CodeView editor and try to display it. This happens once changes are done or based on a timer so that preview will not keep old/stale info long.
Preview goes to parent of where you are in CodeView. So if you are creating a new tag inside of the body tag then it will grab its parent (the body tag and move there - top of page since body tag is parent. If you are inside another tag editing text it will go to the parent of the text which is typically the p tag.
So move your CodeView cursor to be inside a tag other than the body tag and it should nicely reposition itself after a short delay. Please try that.
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