Further ui improvements, fix simple belts with wires

src/js/game/belt_path.js

@@ -1190,6 +1190,11 @@ export class BeltPath extends BasicSerializableObject {
             return false;
         }
 
+        if (this.root.currentLayer !== "regular") {
+            // Not in regular layer
+            return true;
+        }
+
         const mousePos = this.root.app.mousePosition;
         if (!mousePos) {
             // Mouse not registered

src/js/game/systems/belt.js

@@ -501,7 +501,7 @@ export class BeltSystem extends GameSystemWithFilter {
             // POTATO Mode: Only show items when belt is hovered
             let hoveredBeltPath = null;
             const mousePos = this.root.app.mousePosition;
-            if (mousePos) {
+            if (mousePos && this.root.currentLayer === "regular") {
                 const tile = this.root.camera.screenToWorld(mousePos).toTileSpace();
                 const contents = this.root.map.getLayerContentXY(tile.x, tile.y, "regular");
                 if (contents && contents.components.Belt) {