fix(server/flash): Api to match documentation

This fixes duplication issues and normalize our use with everyone else

server/utils/middleware.js

@@ -1,13 +1,13 @@
-export function ifNoUserRedirectTo(url, message, type = 'danger') {
+import dedent from 'dedent';
+
+export function ifNoUserRedirectTo(url, message, type = 'errors') {
   return function(req, res, next) {
     const { path } = req;
     if (req.user) {
       return next();
     }
 
-    req.flash(type, {
-      msg: message || `You must be signed in to access ${path}`
-    });
+    req.flash(type, message || `You must be signed in to access ${path}`);
 
     return res.redirect(url);
   };
@@ -35,10 +35,13 @@ export function ifNotVerifiedRedirectToSettings(req, res, next) {
     return next();
   }
   if (!user.emailVerified) {
-    req.flash('danger', {
-      msg: 'We do not have your verified email address on record, '
-      + 'please add it in the settings to continue with your request.'
-    });
+    req.flash(
+      'danger',
+      dedent`
+        We do not have your verified email address on record,
+        please add it in the settings to continue with your request.
+      `
+    );
     return res.redirect('/settings');
   }
   return next();