The FloatPopupPanelProps content fields on the MUI BoxProps
surface (so the default MUI panel can read sx/className/etc.). We drop the
neutral HTML base from FloatPopupPanelProps (BoxProps supplies the element
props, with incompatible types e.g. color) and keep just its content fields.
The FloatPopupPanelProps content fields on the MUI BoxProps surface (so the default MUI panel can read
sx/className/etc.). We drop the neutral HTML base fromFloatPopupPanelProps(BoxProps supplies the element props, with incompatible types e.g.color) and keep just its content fields.