Fixes and improvements

Improved project/experiment share dialog
Grouped protocol list by status
Improved signup and login flow security
Reduced password reset token expiry to 24h
Fixed display of protocols with many steps
Widened sidebar to fit longer project titles
Removed back button form breadcrumbs
Autofocused reaction selector search field
Autofocused name field when creating a new template
Added tooltip with absolute date in template settings
Numerous performance improvements and design polish