clear cached skin records when refrshing account state

HMCL/src/main/java/org/jackhuang/hmcl/game/AccountHelper.java

@@ -150,6 +150,8 @@ public final class AccountHelper {
     }
 
     private static void downloadSkin(YggdrasilAccount account, GameProfile profile, boolean refresh, Proxy proxy) throws Exception {
+        account.clearCache();
+
         if (profile == null) return;
         String name = profile.getName();
         if (name == null) return;

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/Account.java

@@ -91,4 +91,6 @@ public abstract class Account {
     public final Map<Object, Object> getProperties() {
         return properties;
     }
+
+    public abstract void clearCache();
 }

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/OfflineAccount.java

@@ -93,6 +93,11 @@ public class OfflineAccount extends Account {
         );
     }
 
+    @Override
+    public void clearCache() {
+        // Nothing to clear.
+    }
+
     @Override
     public String toString() {
         return "OfflineAccount[username=" + username + ", uuid=" + uuid + "]";

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/yggdrasil/YggdrasilAccount.java

@@ -319,6 +319,13 @@ public class YggdrasilAccount extends Account {
         return Optional.ofNullable(texture.getTextures().get(ProfileTexture.Type.SKIN));
     }
 
+    @Override
+    public void clearCache() {
+        Optional.ofNullable(getSelectedProfile())
+                .map(GameProfile::getProperties)
+                .ifPresent(it -> it.remove("texture"));
+    }
+
     @Override
     public String toString() {
         return "YggdrasilAccount[username=" + getUsername() + "]";