Inversion of how water color was being set as it moved away from land… (#269)

Inversion of the way water values on the light palette get set as the
tile is further from land. Was previously resulting in the darkest water
being the closest to land.


![Before](https://github.com/user-attachments/assets/3b2d8e9a-0648-40ac-8725-c0bcbebf61ac)

![After](https://github.com/user-attachments/assets/6356758f-abbf-493b-a82b-652a9c642539)

src/core/configuration/PastelTheme.ts

@@ -285,14 +285,12 @@ export const pastelTheme = new (class implements Theme {
         if (gm.isShoreline(tile) && gm.isWater(tile)) {
           return this.shorelineWater;
         }
-        if (gm.magnitude(tile) < 10) {
-          return colord({
-            r: Math.max(w.r - 10 + mag, 0),
-            g: Math.max(w.g - 10 + mag, 0),
-            b: Math.max(w.b - 10 + mag, 0),
-          });
-        }
-        return this.water;
+        return colord({
+          r: Math.max(w.r - 10 + (11 - Math.min(mag, 10)), 0),
+          g: Math.max(w.g - 10 + (11 - Math.min(mag, 10)), 0),
+          b: Math.max(w.b - 10 + (11 - Math.min(mag, 10)), 0),
+        });
+
       case TerrainType.Plains:
         return colord({
           r: 190,