Hide menu when no children menu.

fastapi_admin/__init__.py

@@ -5,4 +5,4 @@ def version():
     # with open("pyproject.toml") as f:
     #     ret = re.findall(r'version = "(\d+\.\d+\.\d+)"', f.read())
     #     return ret[0]
-    return "0.3.1"
+    return "0.3.2"

fastapi_admin/routes/site.py

@@ -30,4 +30,5 @@ async def site(user_id=Depends(jwt_optional)):
                         model = child.url.split("/")[-1]
                         if not await check_has_permission(user, model):
                             site_copy.menus[index].children.remove(child)
+    site_copy.menus = list(filter(lambda x: x.children != [], site_copy.menus))
     return site_copy.dict(by_alias=True, exclude_unset=True)