refactor(Cote/Unit): cleanup - part2 (#19821)

* fix(Core/AI): remove an unused variable

* Move variables at the end of each sections

* reorder several methods

* remove few inline defintions

* few codestyle fixes

src/server/game/Entities/Unit/Unit.cpp

@@ -738,6 +738,20 @@ bool Unit::GetRandomContactPoint(Unit const* obj, float& x, float& y, float& z,
     return true;
 }
 
+Unit* Unit::getAttackerForHelper() const
+{
+    if (GetVictim() != nullptr)
+        return GetVictim();
+
+    if (!IsEngaged())
+        return nullptr;
+
+    if (!m_attackers.empty())
+        return *(m_attackers.begin());
+
+    return nullptr;
+}
+
 void Unit::UpdateInterruptMask()
 {
     m_interruptMask = 0;
@@ -17222,6 +17236,17 @@ void Unit::SetContestedPvP(Player* attackedPlayer, bool lookForNearContestedGuar
     }
 }
 
+void Unit::SetCantProc(bool apply)
+{
+    if (apply)
+        ++m_procDeep;
+    else
+    {
+        ASSERT(m_procDeep);
+        --m_procDeep;
+    }
+}
+
 void Unit::AddPetAura(PetAura const* petSpell)
 {
     if (!IsPlayer())