ByteDance Ltd., TikTok’s parent company, has been replacing US-hired staff near Seattle with leaders connected to China, aiming to replicate its e-commerce success in Asia after sales fell short in America.TikTok Shop initially set a goal to increase its US e-commerce business tenfold last year to $17.5 billion in transaction volume, but the company had to drastically lower that goal, according to people familiar with the plan who sp...