Email auth factor (#3602)

* Add email 2fa toggle

* Add UI elements needed for 2fa codes in login

* Wire up to the server

* Give a better failure message for bad 2fa code

* Handle enter key in login form 2fa field

* Trim spaces

* Improve error message

src/state/persisted/schema.ts

@@ -11,6 +11,7 @@ const accountSchema = z.object({
   handle: z.string(),
   email: z.string().optional(),
   emailConfirmed: z.boolean().optional(),
+  emailAuthFactor: z.boolean().optional(),
   refreshJwt: z.string().optional(), // optional because it can expire
   accessJwt: z.string().optional(), // optional because it can expire
   deactivated: z.boolean().optional(),