Fix turning off colors

playwright.config.ts

@@ -14,8 +14,8 @@ export default defineConfig({
   },
   expect: {
     toHaveScreenshot: {
-      maxDiffPixelRatio: 0.05,
-      threshold: 0.2,
+      maxDiffPixelRatio: 0.02,
+      threshold: 0.05,
       animations: 'disabled',
     },
   },

src/chart.tsx

@@ -393,7 +393,10 @@ class ChartWrapper {
             props.onSelection(info);
           }
         },
-        colors: (props.colors && chartColors.get(props.colors)) || undefined,
+        colors:
+          props.colors !== undefined
+            ? chartColors.get(props.colors)
+            : undefined,
         animate: true,
         updateSvgSize: false,
         locale: intl.locale,