fix(game-center): label award total as collection value

The stat sums award face values (product.value x count). Actual earnings are post-fee (valueIncFees, as the wallet shows), so "Total earned" overstated. A true earned figure needs the transactions endpoint - possible follow-up.

Author: capJavert

packages/webapp/pages/game-center/index.tsx

@@ -616,7 +616,7 @@ function GameCenterPage({
               awardStats={[
                 { label: 'Total awards', value: awardCountLabel },
                 {
-                  label: 'Total earned',
+                  label: 'Collection value',
                   value: awardValueLabel,
                   icon: (
                     <CoreIcon