Fix lights correctly hidden at start (#2279)

Author: ClementPasteau

extensions/reviewed/Light3D.json

@@ -10,7 +10,7 @@
   "name": "Light3D",
   "previewIconUrl": "https://asset-resources.gdevelop.io/public-resources/Icons/f237ae4e3b857c556846c7b2c0b132556fd4bcdeff217034b4d9c97dc1aab1d6_lightbulb-on-outline.svg",
   "shortDescription": "A collection of light object for 3D.",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "A collection of light object for 3D.",
   "origin": {
     "identifier": "Light3D",
@@ -598,7 +598,11 @@
             "        spotLight.castShadow = false;",
             "        spotLight.visible = false;",
             "",
-            "        if (!object.isHidden()) {",
+            "        // Instances hidden at start stay visible in the editor, but their light must not shine.",
+            "        const isHiddenAtStartInEditor =",
+            "            !!editor && !!editor.isInstanceHiddenAtStart && editor.isInstanceHiddenAtStart(object);",
+            "",
+            "        if (!object.isHidden() && !isHiddenAtStartInEditor) {",
             "            let isSelected = false;",
             "            if (editor) {",
             "                const selectedObject = editor._selection.getLastSelectedObject();",