fix(summon): Fixed summon/pet max buff count

Summons and pets were using the base MaxBuffCount as defined in character.properties instead of using the value of their owner, taking Divine Inspiration into account.

src/main/java/com/l2jserver/gameserver/model/actor/stat/SummonStat.java

@@ -29,4 +29,9 @@ public class SummonStat extends PlayableStat {
 	public L2Summon getActiveChar() {
 		return (L2Summon) super.getActiveChar();
 	}
+
+	@Override
+	public int getMaxBuffCount() {
+		return getActiveChar().getOwner().getStat().getMaxBuffCount();
+	}
 }

src/test/java/com/l2jserver/gameserver/model/actor/stat/SummonStatTest.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2004-2021 L2J Server
+ *
+ * This file is part of L2J Server.
+ *
+ * L2J Server is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * L2J Server is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.gameserver.model.actor.stat;
+
+import com.l2jserver.gameserver.model.actor.L2Summon;
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+/**
+ * @author Noé Caratini aka Kita
+ * @version 2.6.3.0
+ */
+@ExtendWith(MockitoExtension.class)
+public class SummonStatTest {
+
+    @Mock
+    private L2Summon summon;
+    @Mock
+    private L2PcInstance player;
+    @Mock
+    private PcStat pcStat;
+
+    private SummonStat summonStat;
+
+    @BeforeEach
+    public void setUp() {
+        summonStat = new SummonStat(summon);
+
+        when(summon.getOwner()).thenReturn(player);
+        when(player.getStat()).thenReturn(pcStat);
+    }
+
+    @Test
+    public void shouldReturnOwnersMaxBuffCount() {
+        int maxBuffs = 24;
+
+        when(pcStat.getMaxBuffCount()).thenReturn(maxBuffs);
+
+        int result = summonStat.getMaxBuffCount();
+
+        assertThat(result).isEqualTo(maxBuffs);
+    }
+}