Formula message field dynamic view adjustments cause page to jump around

Create email step

change type to HTML

change message field to formula

fill up message field with HTML and data pills

modify data pills by adding spaces or some other text

while typing formula help drop down continuously appears and disappears, also takes control of down arrow key. user is presented with a constantly changing view of the HTML and having to press esc. 

expected

user is able to edit message field without having to press extra keystrokes or have page jump around in a distracting manner. 

suggest setting where Formula Help drop down is disabled by default and User must click Formula help to show the help ddl.