There is no default "New document" and "Import file" actions on the folderish types anymore.
The types where the import file and/or new document actions should be available need to be registered through the corresponding filter.
To add the new document action to the WebSite type:
<filter id="create" append="true">
<rule grant="true">
<type>WebSite</type>
</rule>
</filter>
To add the import file action to the WebSite type:
<filter id="importFile" append="true">
<rule grant="true">
<type>WebSite</type>
</rule>
</filter>