Remove workaroundLoadVolumesColorbarBug, it was fixed upstream

[jennydaman]

niivue-react/src/NiivueMutator.ts

Lines 112 to 128 in 6bd0a10

	/**
	* Workaround for upstream bug https://github.com/niivue/niivue/issues/848
	*
	* `colorbarVisible` is a key of `ImageFromUrlOptions` but it is not respected by `nv.loadVolumes`
	*/
	private workaroundLoadVolumesColorbarBug(volumes: NVRVolume[]) {
	const needToSetColorbarVisible = volumes.filter(
	(v): v is { colorbarVisible: boolean; url: string } =>
	"colorbarVisible" in v,
	);
	if (needToSetColorbarVisible.length > 0) {
	needToSetColorbarVisible.forEach(
	(vol, i) => (this.nv.volumes[i].colorbarVisible = vol.colorbarVisible),
	);
	this.nv.updateGLVolume();
	}
	}

niivue/niivue#848