Fill the range indicator with white for better clarity (#2319)

## Description:

Fill the range indicators

<img width="287" height="200" alt="image"
src="https://github.com/user-attachments/assets/2c75cb13-0574-40c9-be48-2f28cf77734e"
/>

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

Mr.Box

src/client/graphics/layers/StructureDrawingUtils.ts

@@ -453,7 +453,8 @@ export class SpriteFactory {
     }
     circle
       .circle(0, 0, radius)
-      .stroke({ width: 1, color: 0xffffff, alpha: 0.2 });
+      .fill({ color: 0xffffff, alpha: 0.2 })
+      .stroke({ width: 1, color: 0xffffff, alpha: 0.5 });
     parentContainer.addChild(circle);
     parentContainer.position.set(pos.x, pos.y);
     parentContainer.scale.set(this.transformHandler.scale);