OTTAWA — Foreign Affairs Minister Mélanie Joly is heading to Beijing in what is the first visit of a Canadian foreign minister to China since 2017, before the high-profile detention of two Canadians. Joly suggested Thursday that the move comes in response to an increasingly complex geopolitical landscape. "Canada is committed to engaging pragmatically with a wide range of countries to advance our national interests and uphold our values," she said in a written statement. China announced the visit at a Thursday morning press briefing in Beijing, saying Joly would arrive that evening for two nights, but did not outline…