fix(breakpoint): fixing calculation to have +/- 0.02 outside of map-get (#9102)
fix(breakpoint): fixing calculation to have +/- 0.02 outside of map-get (#9102)

* fix(breakpoint): revert breakpoint-between removal of breakpoints map

This is reverting from the PR merge #8346, which breaks the mixin from
allowing entering any breakpoint names (sm, md, etc).

* fix(breakpoint): fixing calculation to have +/- 0.02 outside of map-get

Co-authored-by: kodiakhq[bot] <9e05f530a4a0b74ddd685a36dedab9087faa4174@users.noreply.github.com>
carbon-design-system/carbon-components,carbon-design-system/carbon-components,carbon-design-system/carbon-components