MenuComplete on a cmdlet with a long signature moves the cursor to an incorrect position

[MatejKafka]

Prerequisites

• Write a descriptive title.
• Make sure you are able to repro it on the latest released version
• Search the existing issues, especially the pinned issues.

Exception report

N/A

Screenshot

Environment data

PS Version: 7.3.0-preview.2
PS HostName: ConsoleHost (Windows Terminal)
PSReadLine Version: 2.2.6
PSReadLine EditMode: Windows
OS: 10.0.19041.1 (WinBuild.160101.0800)
BufferWidth: 208
BufferHeight: 46

Steps to reproduce

1. Hold Enter until the prompt is at the bottom of the screen.
2. Set-PSReadLineKeyHandler -Key Tab -Function MenuComplete
3. Type Import-M, press Tab, then focus Import-Module in the autocomplete list (or any other command with many different parameter sets).

Expected behavior

The signature for the command is shown, the prompt moves up and the cursor returns to the edited line.

Actual behavior

The cursor returns one line above the edited line.

🎉 This issue was addressed in 3373, which has now been successfully released in v2.3.0-beta0. 🎉