fix: add root-node-added event on GOML loader
fix: add root-node-added event on GOML loader

jThreeJS/jThree,GrimoireGL/GrimoireJS,jThreeJS/jThree,GrimoireGL/GrimoireJS,GrimoireGL/GrimoireJS,jThreeJS/jThree,jThreeJS/jThree,GrimoireGL/GrimoireJS