fix: send fewer items to client-side for ACP settings/email page

src/controllers/admin/settings.js

@@ -22,7 +22,7 @@ settingsController.email = async (req, res) => {
 
 	res.render('admin/settings/email', {
 		emails: emails,
-		sendable: emails.filter(e => !e.path.includes('_plaintext') && !e.path.includes('partials')),
+		sendable: emails.filter(e => !e.path.includes('_plaintext') && !e.path.includes('partials')).map(tpl => tpl.path),
 		services: emailer.listServices(),
 	});
 };

src/views/admin/settings/email.tpl

@@ -121,7 +121,7 @@
 			<label>[[admin/settings/email:testing.select]]</label>
 			<select id="test-email" class="form-control">
 				<!-- BEGIN sendable -->
-				<option value="{sendable.path}">{sendable.path}</option>
+				<option value="{@value}">{@value}</option>
 				<!-- END sendable -->
 			</select>
 		</div>