Fix lights correctly hidden at start

Author: ClementPasteau

extensions/reviewed/Light3D.json

@@ -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();",