[ ] Change the CSS styling of the app to match the old version. This should hopefully be easy; each Svelte component gets its own style section that's scoped just there
[ ] Clean up the old debugClockwiseOrderingGeojson call in favor of the per-intersection one
[x] Changing the test / imported area should discard all lane edits
[ ] The download button shouldn't just name things osm.xml
[x] Use index.js or similar in osm2streets-svelte, so we can import many components from "one" place
[ ] Fix the popstate hack. URL handling logic is currently split between 2 components.
[ ] After recalculating in the lane editor, keep the focus on the same way
debugClockwiseOrderingGeojsoncall in favor of the per-intersection oneosm.xmlindex.jsor similar inosm2streets-svelte, so we can import many components from "one" placepopstatehack. URL handling logic is currently split between 2 components.