CMenu props "autoSelect" set false is not working

[hysakhr]

Describe the bug
CMenu props "autoSelect" set false is not working

To Reproduce

1. create menu (auto-select = false)

<CMenu :auto-select="false">
  <CMenuButton>Menu</CMenuButton>
  <CMenuList>
    <CMenuItem>Menu A<CMenuItem>
    <CMenuItem>Menu B<CMenuItem>
    <CMenuItem>Menu C<CMenuItem>
    <CMenuItem>Menu D<CMenuItem>
  </CMenuList>
</CMenu>

2. click menu button

3. see error TypeError: openMenu is not a function

Expected behavior

1. open menu
2. menu item is not selected

Screenshots

Solution
I think add "openMenu" in MenuContext of CMenu