Menu vertical can't be collapsed by default without breaking design

When trying to use the following code in object to define the vertical panel, the text is gigantic and css is too different than when you use the default one.

 {{menu type="vertical collapsible close"}}
 {{include reference="Space.PageHoldingMenuContent" /}}
 {{/menu}}

Expected result :

• The visual applied is the same than when not using "collapsible open"
• All expandable menus are collapsed