🐛 biome init creates biome.json even if biome.jsonc already exists

[colinhacks]

Environment information

yarn biome rage
yarn run v1.22.19
$ /Users/colinmcd94/Documents/projects/zod/node_modules/.bin/biome rage
CLI:
  Version:                      1.7.3
  Color support:                true

Platform:
  CPU Architecture:             aarch64
  OS:                           macos

Environment:
  BIOME_LOG_DIR:                unset
  NO_COLOR:                     unset
  TERM:                         "xterm-256color"
  JS_RUNTIME_VERSION:           "v22.2.0"
  JS_RUNTIME_NAME:              "node"
  NODE_PACKAGE_MANAGER:         "yarn/1.22.19"

Biome Configuration:
  Error:                        Found an unknown key `ternaryStyle`.
  Status:                       Loaded with errors
  Formatter disabled:           false
  Linter disabled:              false
  Organize imports disabled:    false
  VCS disabled:                 true

Workspace:
  Open Documents:               0

✨  Done in 0.23s.

### What happened?

1. Ran `yarn biome init`
2. The CLI created a `biome.json` file even though a `biome.jsonc` already existed

### Expected result

Detect `biome.jsonc` and do not create `biome.json`

### Code of Conduct

- [X] I agree to follow Biome's Code of Conduct