Moving caret up sometimes lands on the first column in script editor

[timothyqiu]

Tested versions

Reproducible: Since 4.3.dev5

System information

Arch Linux

Issue description

See steps to reproduce for details.

vokoscreenNG-2024-04-09_15-48-04.mp4

Steps to reproduce

func foo():
    for i in 3:
        print(i)

1. Place your caret after 3:
2. Press down arrow
   • Expected: caret is after print(i
   • Actual: sometimes caret is after print(i), depends on how you did the first step, I'm not sure
3. Press up arrow, then press right arrow (several times) until it goes down to the print line.
4. Press end so the caret is after print(i)
5. Press up arrow
   • Expected: caret is after 3:
   • Actual: caret is at the beginning of the for loop line.

Minimal reproduction project (MRP)

N/A