findTopCellItem() optimization

Meter.c

@@ -409,7 +409,7 @@ static uint8_t GraphMeterMode_findTopCellItem(const Meter* this, double scaledTo
       double topPoint = (valueSum / scaledTotal) * (double)(int)graphHeight;
       double area = (value / scaledTotal) * (double)(int)graphHeight;
 
-      if (topPoint - (double)(int)topCell > 0.0 || (topPoint <= 0.0 && topCell < 1)) {
+      if (topPoint > (double)(int)topCell || (topPoint <= 0.0 && topCell < 1)) {
          // If the division underflows (topPoint <= 0.0 && topCell < 1), that
          // item still counts as part of the top cell ("area" would be 0.0 in
          // this case).