fix: player profile changes are not reflected cuz Java is object-oriented (#2322)

* fix: player profile changes are not reflected.
fix: deob FriendBrief.proto

* fix: tentatively sync profile when log out

* fix: allow offline player

* Update src/main/java/emu/grasscutter/game/friends/PlayerProfile.java

Co-authored-by: Magix <27646710+KingRainbow44@users.noreply.github.com>

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

Co-authored-by: Magix <27646710+KingRainbow44@users.noreply.github.com>

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

Co-authored-by: Magix <27646710+KingRainbow44@users.noreply.github.com>

* fix: server friend

---------

Co-authored-by: Magix <27646710+KingRainbow44@users.noreply.github.com>

src/main/java/emu/grasscutter/game/friends/PlayerProfile.java

@@ -2,17 +2,21 @@ package emu.grasscutter.game.friends;
 
 import dev.morphia.annotations.AlsoLoad;
 import dev.morphia.annotations.Entity;
+
+import emu.grasscutter.Grasscutter;
+
 import dev.morphia.annotations.Transient;
 import emu.grasscutter.game.home.GameHome;
+
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.net.proto.FriendEnterHomeOptionOuterClass;
 import emu.grasscutter.utils.Utils;
 import lombok.Getter;
+import org.jetbrains.annotations.Nullable;
 
 @Entity
+@Getter
 public class PlayerProfile {
-    @Transient private Player player;
-
     @AlsoLoad("id")
     private int uid;
 
@@ -24,9 +28,14 @@ public class PlayerProfile {
     private int playerLevel;
     private int worldLevel;
     private int lastActiveTime;
+
+    private boolean isInDuel = false; // TODO: Implement duels. (TCG)
+    private boolean isDuelObservable = false; // TODO: Implement duels. (TCG)
+
     @Getter
     private int enterHomeOption;
 
+
     @Deprecated // Morphia only
     public PlayerProfile() {}
 
@@ -35,46 +44,13 @@ public class PlayerProfile {
         this.syncWithCharacter(player);
     }
 
-    public int getUid() {
-        return uid;
-    }
-
+    @Nullable
     public Player getPlayer() {
+        var player = Grasscutter.getGameServer().getPlayerByUid(this.getUid(), true);
+        this.syncWithCharacter(player);
         return player;
     }
 
-    public synchronized void setPlayer(Player player) {
-        this.player = player;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public int getNameCard() {
-        return nameCard;
-    }
-
-    public int getAvatarId() {
-        return avatarId;
-    }
-
-    public String getSignature() {
-        return signature;
-    }
-
-    public int getPlayerLevel() {
-        return playerLevel;
-    }
-
-    public int getWorldLevel() {
-        return worldLevel;
-    }
-
-    public int getLastActiveTime() {
-        return lastActiveTime;
-    }
-
     public void updateLastActiveTime() {
         this.lastActiveTime = Utils.getCurrentSeconds();
     }
@@ -83,10 +59,6 @@ public class PlayerProfile {
         return (int) Math.floor((Utils.getCurrentSeconds() - getLastActiveTime()) / 86400.0);
     }
 
-    public boolean isOnline() {
-        return this.getPlayer() != null;
-    }
-
     public void syncWithCharacter(Player player) {
         if (player == null) {
             return;