It seems a strange behavior...
If the file with the label is highlighted in bold in the list mode, and this file is one that contains more characters in that folder, the width of the column is not automatically adapts.
Of course, if there are files with more characters than the one highlighted in bold, everything is correctly displayed
I made a short video to explain better Bold.rar (561 KB)
I've done other tests and at the end I think this is a bug. In practice, the lister does not take into consideration bold characters for the column size.