Joining lines combine one more line in Visual mode
### Version

moe v0.3.0

Git hash: 7c2ac1d276eb47cf74bb446eb6bc632d1a3673d3
Build type: Release

### Environment

_No response_

### Category

Minor — The software basically does what it should do but there might be improvements.

### Steps to Reproduce

1. `$ printf 'a\\nb\\nc' > test.txt `
2. `$ ./moe test.txt`
3. `v`
4. `j`
5. `J`

### Detailed Description

_No response_