Chat GUI doesn't align previous text correctly

Porbably this was alread reported, but I couldn't find it, so I am really sorry if this is a duplicate

How to reproduce:

1. Enter this in your chat:

   XXXXXXXXXXXXXXXXXXXXX <============
   

2. Then this:

   OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
   

3. Then open your chat and press the UP-ARROW key twice

You will see that the half of the text is missing even it would fit perfect in the line

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Comment by KingSupernova: this happens because the game saves the distance that was scolled over when moving to a different message.