Use Ctrl C & V to duplicate a line in script editor will make the caret move to the first column

[jsjtxietian]

Tested versions

Current master

System information

Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 3060 () - 11th Gen Intel(R) Core(TM) i7-11700K @ 3.60GHz (16 Threads)

Issue description

See this video, when I use Ctrl C and Ctrl V to duplicate a line and the caret moves to the start of the new line, instead of the same as the duplicated line.

_2024_04_10_12_58_07_554.mp4

See how vscode handles this:

_2024_04_10_13_01_55_314.mp4

Not sure if it's related to #90420

Steps to reproduce

Open the script editor, use Ctrl C and Ctrl V to duplicate a line and observe the cursor/caret

Minimal reproduction project (MRP)

N/A

[kitbdev]

• mentioned in TextEdit multicaret and selection issues #86863 (comment)
• and fixed by Overhaul multicaret editing and selection in TextEdit #86978