manifesto Canvas returning native quality on a manifest with context 2.0

[jeffreycwitt]

I thin Manifesto/Canvas is returning quality "native" in the following lines

manifesto/src/Canvas.ts

Lines 28 to 32 in 3217f1e

	if (this.externalResource.data['@context']) {
	if (this.externalResource.data['@context'].indexOf('/1.0/context.json') > -1 ||
	this.externalResource.data['@context'].indexOf('/1.1/context.json') > -1 ||
	this.externalResource.data['@context'].indexOf('/1/context.json') > -1 ) {
	quality = 'native';

For a manifest which has an image context of 2.0, so I'm not sure why manifesto is returning "native"

The manifest I'm testing with is here: https://scta.info/iiif/graciliscommentary/lon/manifest

(maybe there is something wrong with the manifest. I'm not sure. Let me know if you see something.)

See the issue I've created here ProjectMirador/mirador#1831