fix(marimekko): Show tooltip on the last non-zero bar so that it will always be visible
fix(marimekko): Show tooltip on the last non-zero bar so that it will always be visible

owid/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher