Update/tweak groups (#7229)

* Split detail/raw groups, tweak accordion

* Add update groups migration

api/src/database/migrations/20210805A-update-groups.ts

@@ -0,0 +1,35 @@
+import { Knex } from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+	const groups = await knex.select('*').from('directus_fields').where({ interface: 'group-standard' });
+
+	const raw = [];
+	const detail = [];
+
+	for (const group of groups) {
+		const options = typeof group.options === 'string' ? JSON.parse(group.options) : group.options || {};
+
+		if (options.showHeader === true) {
+			detail.push(group);
+		} else {
+			raw.push(group);
+		}
+	}
+
+	for (const field of raw) {
+		await knex('directus_fields').update({ interface: 'group-raw' }).where({ id: field.id });
+	}
+
+	for (const field of detail) {
+		await knex('directus_fields').update({ interface: 'group-detail' }).where({ id: field.id });
+	}
+}
+
+export async function down(knex: Knex): Promise<void> {
+	await knex('directus_fields')
+		.update({
+			interface: 'group-standard',
+		})
+		.where({ interface: 'group-detail' })
+		.orWhere({ interface: 'group-raw' });
+}