Handle color is not applied

**Describe the bug**
Despite handle color being set, it always defaults to white color.

**To Reproduce**
Override the `handle.color` during setup.

**Expected behavior**
Handle turn into the given color.

**Screenshots**
https://i.ibb.co/JrsvnzY/image.png

**Version Info (please complete the following information):**
 NVIM v0.9.5

**Additional context**
N/A
