fix: restore removed methods as deprecated

Author: kenjis

system/Security/Security.php

@@ -538,6 +538,38 @@ private function saveHashInCookie(): void
         $response->setCookieStore($cookieStore);
     }
 
+    /**
+     * CSRF Send Cookie
+     *
+     * @return false|Security
+     *
+     * @deprecated Set cookies to Response object instead.
+     */
+    protected function sendCookie(RequestInterface $request)
+    {
+        if ($this->cookie->isSecure() && ! $request->isSecure()) {
+            return false;
+        }
+
+        $this->doSendCookie();
+        log_message('info', 'CSRF cookie sent.');
+
+        return $this;
+    }
+
+    /**
+     * Actual dispatching of cookies.
+     * Extracted for this to be unit tested.
+     *
+     * @codeCoverageIgnore
+     *
+     * @deprecated Set cookies to Response object instead.
+     */
+    protected function doSendCookie(): void
+    {
+        cookies([$this->cookie], false)->dispatch();
+    }
+
     private function saveHashInSession(): void
     {
         $this->session->set($this->tokenName, $this->hash);