As I'm not going to override every header I'm just overriding this to back it up -25 for extra button I added - this won't be playing nice for anyone else who adds ct_section buttons in now because of the way this was set to go off the right size of the header_label.
Code:
<template name="frame_ctbox_host_header_labels">
<metalplate name="header_labels">
<anchored to="headeranchor" height="26">
<top />
<left offset="40" />
<right offset="-25" />
</anchored>
</metalplate>
</template>
For sure a catch 22.