Don't crash when encountering mixed auth v1/v2 info.json - #4622

Changed pages include:

• demo/index.html - view
• demo/auth.html - view
• demo/blank.html - view
• demo/collections.html - view
• demo/content-search.html - view
• demo/fallback-image.html - view
• demo/i18n.html - view
• demo/iiif-v3.html - view
• demo/layers.html - view
• demo/level0.html - view

There are more changes not included in the list