Duplicated isolation name bugfix

*Fixed duplicated isolation names being rendered on switches

src/components/map/object-renderers/IsolationIdRenderer.js

@@ -4,6 +4,10 @@ export default function IsolationIdRenderer(props) {
     const [x, y] = pos.toSVGCoords();
     const text = object.id_isolation ?? '';
 
+    if (object.hide_isolation || !text) {
+        return null;
+    }
+
     return (
         <text
             x={x}

src/model/switch.js

@@ -59,6 +59,7 @@ export default class Switch extends SceneryObject {
  
         this.trackB = this._createGetSwitchTrack(scenery, this.id+"B", this.outs[1], this.outs[3], r);
         if(this.trackB) {
+            this.trackB.hide_isolation = true; // hide isolation for the second track
             scenery.addObject(this.trackB);
         }
     }

src/model/track.js

@@ -15,6 +15,7 @@ export default class Track extends SceneryObject {
     nextTrack = null;
     start_slope;
     end_slope;
+    hide_isolation = false;
 
     constructor(id, pos, rot, len, r, previd, nextid, id_station, start_slope, end_slope, id_isolation, maxspeed, derailspeed) {
         super(id, pos, rot);