[vim] r and shift-r undo error,r count error

[0x2CA]

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Describe the bug / provide steps to reproduce it

Undo Error

2024-06-25.10.09.04.mov

r should not generate characters, because r is just a single character replacement, and the original length should be whatever the maximum should be.When the count exceeds the current character, you should do nothing.shift-r allows generating characters that are longer than the original characters

2024-06-25.10.10.16.mov

Originally posted by @0x2CA in #13287 (comment)

Environment

Zed: v0.142.1 (Zed Preview)
OS: macOS 14.5.0
Memory: 32 GiB
Architecture: aarch64

If applicable, add mockups / screenshots to help explain present your vision of the feature

No response

If applicable, attach your ~/Library/Logs/Zed/Zed.log file to this issue.

Zed.log

[ConradIrwin]

Fixed by #13623