JAKARTA, INDONESIA — Indonesia will expand its existing defense partnerships and step up its handling of strategic issues impacting its sovereignty, including maritime security and the safety of sea passage and fisheries, its foreign minister said on Friday. Sugiono, who uses only one name, said Indonesia would continue to advocate for the completion of a code of conduct between the Southeast Asian bloc ASEAN and China on the South China Sea and prioritize ASEAN’s centrality. Indonesia considers itself not a party in disputes over the sea, a waterway crucial to global trade, but has recently been tested by forays by