Improve Mobile Responsive Layout

[tmushayahama]

A few improvements to enhance the experience on mobile

Tasks:

• Make the left panel closed by default on mobile devices.
• Ensure the header bar scales correctly, keeping the search box and logos visible.
• Optimize the following components for mobile:
  • Gene page
  • About page
  • Toolbar
  • Search dropdown
  • Home table
  • Overrep form
  • Category pane