fix(Core/CharmInfo): Adjust how spells are given to charmed creatures. (#20227)

Init.

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

@@ -78,21 +78,7 @@ void CharmInfo::InitPossessCreateSpells()
 {
     if (_unit->IsCreature())
     {
-        // Adding switch until better way is found. Malcrom
+        InitEmptyActionBar(false);
-        // Adding entrys to this switch will prevent COMMAND_ATTACK being added to pet bar.
-        switch (_unit->GetEntry())
-        {
-            case 23575: // Mindless Abomination
-            case 24783: // Trained Rock Falcon
-            case 27664: // Crashin' Thrashin' Racer
-            case 40281: // Crashin' Thrashin' Racer
-            case 23109: // Vengeful Spirit
-            case 25653: // Power of the Blue Flight
-                break;
-            default:
-                InitEmptyActionBar();
-                break;
-        }
 
         for (uint32 i = 0; i < MAX_CREATURE_SPELLS; ++i)
         {
@@ -160,11 +146,14 @@ bool CharmInfo::AddSpellToActionBar(SpellInfo const* spellInfo, ActiveStates new
 {
     uint32 spell_id = 0;
     uint32 first_id = 0;
+    bool autocastable = false;
 
     if (spellInfo)
     {
         spell_id = spellInfo->Id;
         first_id = spellInfo->GetFirstRankSpell()->Id;
+        if (spellInfo->IsAutocastable())
+            autocastable = true;
     }
 
     // new spell rank can be already listed
@@ -188,7 +177,10 @@ bool CharmInfo::AddSpellToActionBar(SpellInfo const* spellInfo, ActiveStates new
             if (i != index && index <= MAX_UNIT_ACTION_BAR_INDEX)
                 continue;
 
-            SetActionBar(i, spell_id, newstate == ACT_DECIDE ? spellInfo->IsAutocastable() ? ACT_DISABLED : ACT_PASSIVE : newstate);
+            if (!spell_id && index == ACTION_BAR_INDEX_START)
+                SetActionBar(ACTION_BAR_INDEX_START, COMMAND_ATTACK, ACT_COMMAND);
+            else
+                SetActionBar(i, spell_id, newstate == ACT_DECIDE ? autocastable ? ACT_DISABLED : ACT_PASSIVE : newstate);
 
             if (_unit->GetCharmer() && _unit->GetCharmer()->IsPlayer())
             {