This avoid leaving a `GPUMaterial` in a `GPU_MAT_QUEUED` state which would block rendering. Fix T98603: Hang when saving project in material preview mode Maniphest Tasks: T98603 Differential Revision: https://developer.blender.org/D15135
This avoid leaving a `GPUMaterial` in a `GPU_MAT_QUEUED` state which would block rendering. Fix T98603: Hang when saving project in material preview mode Maniphest Tasks: T98603 Differential Revision: https://developer.blender.org/D15135