[3d] support mtl for obj file (#3933)

Co-authored-by: github-actions <github-actions@github.com>

src/locales/en/main.json

@@ -1229,7 +1229,8 @@
     "stopRecording": "Stop Recording",
     "exportRecording": "Export Recording",
     "clearRecording": "Clear Recording",
-    "resizeNodeMatchOutput": "Resize Node to match output"
+    "resizeNodeMatchOutput": "Resize Node to match output",
+    "loadingBackgroundImage": "Loading Background Image"
   },
   "toastMessages": {
     "nothingToQueue": "Nothing to queue",

src/locales/es/main.json

@@ -520,6 +520,7 @@
     "fov": "FOV",
     "light": "Luz",
     "lightIntensity": "Intensidad de luz",
+    "loadingBackgroundImage": "Cargando imagen de fondo",
     "loadingModel": "Cargando modelo 3D...",
     "materialMode": "Modo de material",
     "materialModes": {

src/locales/fr/main.json

@@ -520,6 +520,7 @@
     "fov": "FOV",
     "light": "Lumière",
     "lightIntensity": "Intensité de la lumière",
+    "loadingBackgroundImage": "Chargement de l’image d’arrière-plan",
     "loadingModel": "Chargement du modèle 3D...",
     "materialMode": "Mode Matériel",
     "materialModes": {

src/locales/ja/main.json

@@ -520,6 +520,7 @@
     "fov": "FOV",
     "light": "ライト",
     "lightIntensity": "光の強度",
+    "loadingBackgroundImage": "背景画像を読み込んでいます",
     "loadingModel": "3Dモデルを読み込んでいます...",
     "materialMode": "マテリアルモード",
     "materialModes": {

src/locales/ko/main.json

@@ -520,6 +520,7 @@
     "fov": "FOV",
     "light": "빛",
     "lightIntensity": "조명 강도",
+    "loadingBackgroundImage": "배경 이미지 불러오는 중",
     "loadingModel": "3D 모델 로딩 중...",
     "materialMode": "재질 모드",
     "materialModes": {

src/locales/ru/main.json

@@ -520,6 +520,7 @@
     "fov": "Угол обзора",
     "light": "Свет",
     "lightIntensity": "Интенсивность света",
+    "loadingBackgroundImage": "Загрузка фонового изображения",
     "loadingModel": "Загрузка 3D модели...",
     "materialMode": "Режим Материала",
     "materialModes": {

src/locales/zh/main.json

@@ -520,6 +520,7 @@
     "fov": "视场",
     "light": "灯光",
     "lightIntensity": "光照强度",
+    "loadingBackgroundImage": "正在加载背景图像",
     "loadingModel": "正在加载3D模型...",
     "materialMode": "材质模式",
     "materialModes": {