async function hydrate_active_data(data) {
	// stores.sections.set(data.sections)
	stores.pages.set(data.pages)
	stores.page_types.set(data.page_types)
	stores.symbols.set(data.symbols)
	update_site(data.site)
}
Hydrates the active site, page, section, and symbol stores for the editor
@param {import('$lib').Site_Data} data - Combined data object from the server