Bug: Unable to parse gltf file when extras is array #5253

Describe the bug
Unable to parse gltf file when extras is array:

import FAILED: Member "extras" was not of type "object" when reading nodes[1] (basepart#328)

To Reproduce
load gltf file with nodes containing extras as array.

Expected behavior
load gltf file correctly without error

Screenshots

Platform (please complete the following information):

• OS: Windows