reverse spread to ensure that properties from group overwrite those from basicLineParams

Author: duncanbradley

src/routes/playground/create-a-reactive-line-chart/local-lib/LineChart.svelte

@@ -184,7 +184,7 @@
   let defaultLineParams = Object.fromEntries(
     Object.entries(tieredLineParams).map(([key, group]) => [
       key,
-      { ...group, ...basicLineParams },
+      { ...basicLineParams, ...group },
     ]),
   );