Fix shadow quality change

Author: D8H

extensions/reviewed/SpotLight3D.json

@@ -444,8 +444,18 @@
             "                size = 1024;",
             "                break;",
             "        }",
-            "        this.spotLight.shadow.mapSize.width = size;",
-            "        this.spotLight.shadow.mapSize.height = size;",
+            "        const shadow = this.spotLight.shadow;",
+            "        const mapSize = shadow.mapSize;",
+            "        if (mapSize.width !== size) {",
+            "            mapSize.set(size, size);",
+            "",
+            "            // Force the recreation of the shadow map texture:",
+            "            if (shadow.map) {",
+            "                shadow.map.dispose();",
+            "                shadow.map = null;",
+            "            }",
+            "            shadow.needsUpdate = true;",
+            "        }",
             "    }",
             "",
             "    /**",
@@ -669,8 +679,6 @@
                 "//@ts-ignore",
                 "const object = objects[0];",
                 "",
-                "// Here runtimeScene is the gdjs.CustomRuntimeObjectInstanceContainer inside the custom object.",
-                "const gameScene = object.getRuntimeScene();",
                 "const game = runtimeScene.getGame();",
                 "",
                 "// This is a hack that may break in future releases.",