Completion in Java overwrites next identifier

### What did you expect to happen?

Suppose I want to make `public class SomeClass` abstract. If I place my cursor after `public ` in Insert mode, and use completion to type `abstract`, I expect to have `public abstract class SomeClass`.

### What actually happened?

Instead, the next identifier (`class`) is replaced by `abstract`, so the result is `public abstract SomeClass`. Similar issue [here](https://github.com/MaskRay/ccls/issues/678)

### Describe your attempts to resolve the issue

I tried setting `lsp-java-completion` to `nil` in my `config.el` and reloading Doom, but to no avail.

### Steps to reproduce

1. Edit a Java project with LSP completion enabled
2. Try turning a class abstract using completion, as described above.

### System Information

https://pastebin.com/xmuS56V6