fix(ui): use severity sum for failed findings count in Risk Plot

Ensure tooltip and horizontal bar chart show consistent numbers by
using the sum of severity counts instead of separate API field

ui/actions/overview/risk-plot/risk-plot.adapter.ts

@@ -44,43 +44,45 @@ export function adaptToRiskPlotData(
 
     // Build severity data for the horizontal bar chart with percentages
     let severityData;
+    let totalFailedFindings = 0;
+
     if (providerData.severity) {
       const { critical, high, medium, low, informational } =
         providerData.severity;
-      const total = critical + high + medium + low + informational;
+      totalFailedFindings = critical + high + medium + low + informational;
 
       severityData = [
         {
           name: "Critical",
           value: critical,
-          percentage: calculatePercentage(critical, total),
+          percentage: calculatePercentage(critical, totalFailedFindings),
         },
         {
           name: "High",
           value: high,
-          percentage: calculatePercentage(high, total),
+          percentage: calculatePercentage(high, totalFailedFindings),
         },
         {
           name: "Medium",
           value: medium,
-          percentage: calculatePercentage(medium, total),
+          percentage: calculatePercentage(medium, totalFailedFindings),
         },
         {
           name: "Low",
           value: low,
-          percentage: calculatePercentage(low, total),
+          percentage: calculatePercentage(low, totalFailedFindings),
         },
         {
           name: "Info",
           value: informational,
-          percentage: calculatePercentage(informational, total),
+          percentage: calculatePercentage(informational, totalFailedFindings),
         },
       ];
     }
 
     points.push({
       x: providerData.overallScore ?? 0,
-      y: providerData.failedFindings,
+      y: totalFailedFindings,
       provider: providerDisplayName,
       name: providerData.providerName,
       providerId: providerData.providerId,