Fixes srcset not loading due to SSL/HTTPS issues

When SSL/HTTPS is not properly configured on a website the srcset
attribute might try to load images via HTTP causing the browser to
block the loading of "mixed content".

src/Image.php

@@ -841,8 +841,14 @@ public function render($src, $size, $class, $alt = '', $error = null)
             $img_tag = '<!-- ' . $error . ' --> ';
         }
 
+        // Make sure we use the right protocol
+        $src = esc_url(is_ssl() ? str_ireplace("http://", "https://", $src) : $src);
+        // Get srcset, if available
         $srcset = $this->get_srcset($src);
-        $src = 'src="' . esc_url(is_ssl() ? str_ireplace("http://", "https://", $src) : $src) . '"' . $srcset;
+
+        $src = 'src="' . $src. '"' . $srcset;
+
+        // Lazy Load attribute, if enabled
         $lazyload = ( $this->admin_options['tools']['markup']['thumbnail']['lazyload'] ) ? ' loading="lazy"' : '';
 
         $img_tag .= '<img ' . $src . ' width="' . $size[0] . '" height="' . $size[1] . '" alt="' . esc_attr($alt) . '" class="' . esc_attr($class) . '"' . $lazyload . ' />';