Fix Togglable component by adding forwardRef#4238

IMJUSTWANNADEPLOYABOT wants to merge 1 commit intofullstack-hy2020:sourcefullstack-hy2020/fullstack-hy2020.github.io:sourcefrom

IMJUSTWANNADEPLOYABOT:patch-1IMJUSTWANNADEPLOYABOT/fullstack-hy2020.github.io:patch-1Copy head branch name to clipboard