Include visitors in A/B goals chart

The goal bar chart excluded the visitors baseline; include it so the chart
matches the funnel tables and the admin screen.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: guitavano

web/tools/experiments/index.tsx

@@ -386,9 +386,8 @@ function ResultsView({
 		callTool,
 	]);
 
-	// Tables (Funnel / By Goal) show every goal including the visitors baseline,
-	// matching the admin. The bar chart drops visitors (its conversion would
-	// always be 100% and would flatten the other goals).
+	// Every goal, visitors baseline included — used by the tables and the chart,
+	// matching the admin.
 	const sortedGoals = useMemo(
 		() => (data ? sortByTotal(data.goals) : []),
 		[data],
@@ -418,13 +417,11 @@ function ResultsView({
 			"Test Variant 1": point.variant,
 		})) ?? [];
 
-	const barData = sortedGoals
-		.filter((g) => g.goal !== "visitors")
-		.map((g) => ({
-			goal: g.goal,
-			Default: percentage(g.default, visitors.default),
-			"Test Variant 1": percentage(g.variant, visitors.variant),
-		}));
+	const barData = sortedGoals.map((g) => ({
+		goal: g.goal,
+		Default: percentage(g.default, visitors.default),
+		"Test Variant 1": percentage(g.variant, visitors.variant),
+	}));
 
 	return (
 		<div className="flex flex-col gap-6">