Editor - duplicating format codes when switching BBCode

[Julsfels]

Affected version

2.3.7

Hello,

there is a problem when using format codes in the editor and switching BBCode on/off:



This is how it looks when I write the post. Now toggling BB Code...



... and back, and the Indent is copied in every single line:



In large posts, this makes the whole post nearly unreadable while editing.

Thanks in advance!