Add Remove Buff Behavior and patch infinite use Imagination Backpack(#845)

Testing does not reveal any issues with existing buff removals sending this GM as well and may fix more bugs that were unknown, or cause more.

dGame/dComponents/BuffComponent.cpp

@@ -123,13 +123,15 @@ void BuffComponent::ApplyBuff(const int32_t id, const float duration, const LWOO
 	m_Buffs.emplace(id, buff);
 }
 
-void BuffComponent::RemoveBuff(int32_t id) {
+void BuffComponent::RemoveBuff(int32_t id, bool fromUnEquip, bool removeImmunity) {
 	const auto& iter = m_Buffs.find(id);
 
 	if (iter == m_Buffs.end()) {
 		return;
 	}
 
+	GameMessages::SendRemoveBuff(m_Parent, fromUnEquip, removeImmunity, id);
+
 	m_Buffs.erase(iter);
 
 	RemoveBuffEffect(id);

dGame/dComponents/BuffComponent.h

@@ -78,8 +78,9 @@ public:
 	/**
 	 * Removes a buff from the parent entity, reversing its effects
 	 * @param id the id of the buff to remove
+	 * @param removeImmunity whether or not to remove immunity on removing the buff
 	 */
-	void RemoveBuff(int32_t id);
+	void RemoveBuff(int32_t id, bool fromUnEquip = false, bool removeImmunity = false);
 
 	/**
 	 * Returns whether or not the entity has a buff identified by `id`

dGame/dComponents/InventoryComponent.cpp

@@ -986,6 +986,7 @@ void InventoryComponent::ApplyBuff(Item* item) const {
 	}
 }
 
+// TODO Something needs to send the remove buff GameMessage as well when it is unequipping items that would remove buffs.
 void InventoryComponent::RemoveBuff(Item* item) const {
 	const auto buffs = FindBuffs(item, false);