fix(trace-view): Web Vitals scores (#81945)

The previous formula was incorrect, we need to divide the score by the
weight before multiplying by 100.

Author: 0Calories

Diff for: static/app/views/performance/newTraceDetails/traceContextVitals.tsx

@@ -42,13 +42,12 @@ export function TraceContextVitals({tree}: Props) {
     }
 
     const colors = theme.charts.getColorPalette(3);
-    const score = Math.round(vital.score * 100);
 
     return (
       <VitalMeter
         key={vital.key}
         webVital={vital.key as WebVitals}
-        score={score}
+        score={vital.score}
         meterValue={vital.measurement.value}
         showTooltip
         color={colors[index]}

Diff for: static/app/views/performance/newTraceDetails/traceModels/traceTree.measurements.tsx

@@ -125,7 +125,11 @@ export function collectTraceMeasurements(
     WEB_VITALS_LOOKUP.has(measurement) && vital_types.add('web');
     MOBILE_VITALS_LOOKUP.has(measurement) && vital_types.add('mobile');
 
-    const score = measurements[`score.${measurement}`]?.value;
+    const score = Math.round(
+      (measurements[`score.${measurement}`]?.value /
+        measurements[`score.weight.${measurement}`]?.value) *
+        100
+    );
 
     const vital = vitals.get(node)!;
     vital.push({