Core/Spell: do not fail triggered Charge effects in case a root is present.

Fixes Master's call when pet is rooted

(cherry picked from commit 5daabe303e9132c3b398eca44b9d0f4e9fb694ec)

src/server/game/Spells/Spell.cpp

@@ -5363,7 +5363,7 @@ SpellCastResult Spell::CheckCast(bool strict, uint32* param1 /*= nullptr*/, uint
             }
             case SPELL_EFFECT_CHARGE:
             {
-                if (m_caster->HasUnitState(UNIT_STATE_ROOT))
+                if (!(_triggeredCastFlags & TRIGGERED_IGNORE_CASTER_AURAS) && m_caster->HasUnitState(UNIT_STATE_ROOT))
                     return SPELL_FAILED_ROOTED;
 
                 if (GetSpellInfo()->NeedsExplicitUnitTarget())