instantiate personalLineList (#2165)

src/main/java/emu/grasscutter/game/player/Player.java

@@ -249,6 +249,7 @@ public class Player implements PlayerHook {
         this.nameCardList = new HashSet<>();
         this.flyCloakList = new HashSet<>();
         this.costumeList = new HashSet<>();
+        this.personalLineList = new HashSet<>();
         this.towerData = new TowerData();
         this.collectionRecordStore = new PlayerCollectionRecords();
         this.unlockedForgingBlueprints = new HashSet<>();