fix: normalize path of breakpoint

[angelozerr]

fix: normalize path of breakpoint

See #971

In comments #971 (comment) path /Users/amizanjaleel/src/.../code.py uses ../ and breakpoint cannot be found. This PR normalize the path toretrieve correctly the IJ breakpoint.

[Trace - 12:25:53] Received response 'setBreakpoints - (6)' in 4ms.
Result: {
  "breakpoints": [
    {
      "id": 3,
      "verified": false,
      "message": "Breakpoint in file that does not exist.",
      "source": {
        "name": "code.py",
        "path": "/Users/amizanjaleel/src/.../code.py"
      },
      "line": 44
    },