By Anna Ringstrom STOCKHOLM (Reuters) -Assa Abloy, the world’s biggest lockmaker, reported better than expected fourth-quarter profit growth on Friday, as price hikes and stronger demand helped mitigate continued pandemic-related supply chain challenges. CEO Nico Delvaux said the Swedish group had raised prices again in January and would lift them further in February. If raw material costs don’t climb again, the price hikes should more than compensate for recent cost increases in the second half of 2022, he told analysts and reporters in a call. Operating profit in the fourth quarter grew to 4…