Crash in main window after filenames are misaligned

[jeffqc]

How to reproduce:

• Open gitextensions and browse the gitextensions repository
• Select the commit 2d38565 (navigate -> goto commit) (any commit with long file name will do)
• Select the "diff" tab
• Use the horizontal scrollbar and scroll to the right
• Select the commit above in the tree ("Translation for some plugins fixed"), you will notice that the file name in the "diff" tab does not start at the leftmost:

• Click in the blank area at the left of the file names
• Crash "System.ArgumentOutOfRangeException"

Technically, the crash seems to occur as soon as the mouse enter the blank area at the left of the files names (you won't have time to click).

Version: 2.49
OS: Windows 10 (Build 14393)