FormIssueFeedbackButton is occluded by footer element

[oliverchanyw]

Problem

Docked button is getting disrespected by cousin element in footer

The fix

Add 1 line here

 <Flex
      position="fixed"
      bottom={{ base: '1rem', md: '2.625rem' }}
      right={{ base: '1rem', md: '2.75rem' }}
      sx={noPrintCss}
      zIndex="docked" {/* Add me! */}
    >