Please see demo video where I force and unforce the correct height of the robotext message and it did not change visually (outside of the green background) and I did not get any error logs talking about incorrect height measurements, I also purposely force an incorrect height (which resulted in some logs about incorrect height measurements.
Also please note for the video, I set a green background so that it is easier to visually see what is happening, but these are only for the demo videos
With the correct height measurement:
{F686462}
With the incorrect height measurement:
{F686474}