Taipei (AFP) – Chinese and US warships sailed through the flashpoint Taiwan Strait on Friday, Taiwanese and US officials said, shortly before China’s Xi Jinping issued a warning to Joe Biden that ties could suffer if there is a “mishandling” of the island’s status. The two warships sailed through the strait — which separates China from Taiwan — hours before a highly anticipated nearly two-hour call between the two presidents over the Ukraine crisis and other topics. During the call, Xi told Biden that their bilateral relationship had met “more and more challenges” since the Democrat took of…