Replace Language strings only if more than 1 file is found

Author: natanfelles

system/Language/Language.php

@@ -273,10 +273,14 @@ protected function requireFile(string $path): array
 			$strings[] = require $file;
 		}
 
-		if ($strings)
+		if (isset($strings[1]))
 		{
 			$strings = array_replace_recursive(...$strings);
 		}
+		elseif (isset($strings[0]))
+		{
+			$strings = $strings[0];
+		}
 
 		return $strings;
 	}