v1.3.2

Changelog:

Both subjects:

• Always use Hint X rather than any content titles for hint tabs.
• Ensure that questions cannot overlap one another when not separated in accordion sections.
• Fix a performance issue causing unnecessary rerenders when using the equation editor, caused by updating the bin icon colour state on mouse movement.
• Add a preview of the question text in the equation editor, as we used to have on Isaac Physics.
• Restore support for Particles in the chemistry equation editor.

Physics:

• Make the live Isaac Physics site use isaac-react-app and not isaac-app! 🎉
• Enable Google signon now that the site is fully live.
• Add a notice about the new site design to the homepage to inform users.