fix: default git repository value if exist

[milaninfy]

Fix for correctly inspect git config value and use remote repository url as repository value in default pacakage json value

Fixes npm/cli#7940

Testing

~/workarea/test-repo $ lnpm init -y
Wrote to /Users/milaninfy/workarea/test-repo/package.json:

{
  "name": "test-repo",
  "version": "1.0.0",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/milaninfy/test-repo.git"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "bugs": {
    "url": "https://github.com/milaninfy/test-repo/issues"
  },
  "homepage": "https://github.com/milaninfy/test-repo#readme",
  "description": ""
}