Suggestion window closes too soon in Insert mode
### Version

moe v0.3.0

Git hash: 1ae1ec9bc0053c8eba6c06a067bcc284826d4661
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. `$ moe test.nim`
2. `i` - Enter insert mode
3. `i` - Insert a char

### Detailed Description

_No response_