Attempt to fix PHP Fatal error: Uncaught TypeError: htmlspecialchars(…

…): Argument seboettg#1 ($string) must be of type string, array given

CF issue seboettg#184 seboettg#184

Signed-off-by: Raphaël Tournoy <rtournoy@users.noreply.github.com>

src/Rendering/Text.php

@@ -236,7 +236,7 @@ private function renderVariable($data, $lang)
         }
         return $this->applyTextCase(
             StringHelper::clearApostrophes(
-                htmlspecialchars($value, ENT_HTML5)
+                htmlspecialchars(gettype($value) === "string" ? $value : implode(';', $value), ENT_HTML5)
             ),
             $lang
         );