Bug fixes

Correct/remove threshold option in IntersectionObserver.

Bug Fixes:

• Domain Settings form cannot be updated
• Removed unneeded files.

New Features:

• Option to avoid login on group's domain.

Added many bugfixes for correct amount of hits in solr search.
Tweaked many other things, that are mostly display-related.

• Issue #3072326 by vacho: There are missing config schema issues when you use blocks
• Issue #3065228 by alonaoneill: Dependency namespacing in .info.yml file

Documentation and integration normalized with the rest of the HAX ecosystem integrations.
Major features of this release:

• 0 config install, now defaults to PSU CDN hosting of assets, critical for trying out
• Updated directions settings to match API
• countless improvements to HAX editing environment based on usability feedback
• over 98% browser compatibility in browsing traffic
• across theme implementation, build components separate of design to improve portability

Issues fixed in this release: