Configures leap motion to work in the editor

DesktopLeapXRServiceProvider.cs

using Leap.Unity;
using System.Collections;
#if UNITY_EDITOR
using UnityEditor;
#endif
using UnityEngine;

/// <summary>
/// Allows using the Ultraleap in Desktop Mode for editor debugging, rather than on a headset.
/// Local position and rotation control the offset of the device. 
/// For setup, see https://docs.ultraleap.com/xr-and-tabletop/xr/unity/getting-started/index.html
/// In Project Settings > UltraLeap, "Enable Leap XRHands Subsystem"
/// </summary>
public class DesktopLeapXRServiceProvider : LeapXRServiceProvider
{
    [SerializeField, HideInInspector]
    private bool needsAutoConfiguration = true;

    private Transform cameraProxy;

#if UNITY_EDITOR
    protected override void Update()
    {
        cameraProxy.SetPositionAndRotation(Camera.main.transform.position, Camera.main.transform.rotation);
        base.Update();
    }

    protected override void Start()
    {
        cameraProxy = new GameObject("Leap Camera Proxy").transform;
        cameraProxy.SetParent(transform.parent);
        transform.SetParent(cameraProxy, true);
        base.Start();
        StartCoroutine(ApplyConfigurationCoroutine());
    }


    private IEnumerator ApplyConfigurationCoroutine()
    {
        ApplyConfigurationOverrides();
        yield return new WaitWhile(() => _leapController == null || !_leapController.IsConnected);
        _leapController.ClearPolicy(Leap.Controller.PolicyFlag.POLICY_OPTIMIZE_SCREENTOP, _currentDevice);
        _leapController.ClearPolicy(Leap.Controller.PolicyFlag.POLICY_OPTIMIZE_HMD, _currentDevice);

    }

    private void ApplyConfigurationOverrides()
    {
        _preventInitializingTrackingMode = true;
        editTimePose = Leap.TestHandFactory.TestHandPose.DesktopModeA;
        deviceOffsetMode = DeviceOffsetMode.Transform;
        _trackingOptimization = TrackingOptimizationMode.Desktop;
        deviceOrigin = transform;
        PositionDeviceRelativeToMainCamera = false;
    }

    private void OnDrawGizmosSelected()
    {
        if (needsAutoConfiguration)
        {
            Debug.Log($"Configured {nameof(DesktopLeapXRServiceProvider)}");
            ApplyConfigurationOverrides();
            transform.localPosition = new Vector3(0, -0.5f, 0.5f);
            transform.localRotation = Quaternion.Euler(270, 180, 0);
            needsAutoConfiguration = false;
            EditorUtility.SetDirty(this);

        }
        base.OnEnable();
    }

#endif
}