fix: DEPRECATED error in Honeypot

[DEPRECATED] str_ireplace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in SYSTEMPATH\Honeypot\Honeypot.php on line 93.

Author: kenjis

system/Honeypot/Honeypot.php

@@ -78,6 +78,10 @@ public function hasContent(RequestInterface $request)
      */
     public function attachHoneypot(ResponseInterface $response)
     {
+        if ($response->getBody() === null) {
+            return;
+        }
+
         if ($response->getCSP()->enabled()) {
             // Add id attribute to the container tag.
             $this->config->container = str_ireplace(

tests/system/Honeypot/HoneypotTest.php

@@ -67,6 +67,15 @@ public function testAttachHoneypot(): void
         $this->assertStringNotContainsString($this->config->name, $this->response->getBody());
     }
 
+    public function testAttachHoneypotBodyNull(): void
+    {
+        $this->response->setBody(null);
+
+        $this->honeypot->attachHoneypot($this->response);
+
+        $this->assertNull($this->response->getBody());
+    }
+
     public function testAttachHoneypotAndContainer(): void
     {
         $this->response->setBody('<form></form>');