feat(performance): Display duration and ops percentage in breakdown tooltip (#26362)

Hovering the ops breakdown in Transaction Summary in Performance shows the op name but does not display further information. This change is to increase the value of the tooltip by including duration info.
* Added to display duration value and ops percentage in breakdown tooltip

static/app/utils/discover/fieldRenderers.tsx

@@ -552,7 +552,21 @@ const spanOperationRelativeBreakdownRenderer = (
         }
         return (
           <div key={operationName} style={{width: toPercent(widthPercentage || 0)}}>
-            <Tooltip title={<div>{operationName}</div>} containerDisplayMode="block">
+            <Tooltip
+              title={
+                <div>
+                  <div>{`${operationName} ${formatPercentage(widthPercentage, 0)}`}</div>
+                  <div>
+                    <Duration
+                      seconds={spanOpDuration / 1000}
+                      fixedDigits={2}
+                      abbreviation
+                    />
+                  </div>
+                </div>
+              }
+              containerDisplayMode="block"
+            >
               <RectangleRelativeOpsBreakdown
                 spanBarHatch={false}
                 style={{