Core/Battleground: Implement BuildObjectivesBlock for BFG

src/server/game/Battlegrounds/Zones/BattlegroundBFG.h

@@ -42,6 +42,13 @@ class BattlegroundBFGScore final : public BattlegroundScore
             }
         }
 
+        void BuildObjectivesBlock(WorldPacket& data, ByteBuffer& content) final
+        {
+            data.WriteBits(2, 24); // Objectives Count
+            content << uint32(BasesAssaulted);
+            content << uint32(BasesDefended);
+        }
+
         uint32 BasesAssaulted;
         uint32 BasesDefended;
 };