odoo17e-kedaikipas58/addons/project_enterprise/views/project_sharing_templates.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <template id="project_sharing_embed" inherit_id="project.project_sharing_embed">
        <xpath expr="//t[@t-set='head']" position="after">
            <t t-set="head_project_sharing_enterprise">
                <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/>
                <meta name="theme-color" content="#875A7B"/>
            </t>
            <t t-set="head" t-value="head_project_sharing_enterprise + (head or '')" />
        </xpath>
    </template>

</odoo>