fix: timeline handles snap if 1 year apart fixes bug where two handles are dragged, but year is implicitly the same
fix: timeline handles snap if 1 year apart
fixes bug where two handles are dragged, but year is implicitly the same

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