fix(Scripts/Ulduar): port TC Mimiron Magnetic Core handling (#24998)

Co-authored-by: Unholychick <lucas__jensen@hotmail.com>
Co-authored-by: sirikfoll <sirikfoll@hotmail.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

src/server/game/Maps/Map.h

@@ -239,6 +239,7 @@ public:
     // some calls like isInWater should not use vmaps due to processor power
     // can return INVALID_HEIGHT if under z+2 z coord not found height
     [[nodiscard]] float GetHeight(float x, float y, float z, bool checkVMap = true, float maxSearchDist = DEFAULT_HEIGHT_SEARCH) const;
+    [[nodiscard]] float GetHeight(Position const& pos, bool checkVMap = true, float maxSearchDist = DEFAULT_HEIGHT_SEARCH) const { return GetHeight(pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ(), checkVMap, maxSearchDist); }
     [[nodiscard]] float GetGridHeight(float x, float y) const;
     [[nodiscard]] float GetMinHeight(float x, float y) const;
     Transport* GetTransportForPos(uint32 phase, float x, float y, float z, WorldObject* worldobject = nullptr);

src/server/game/Spells/SpellInfoCorrections.cpp

@@ -1885,9 +1885,8 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->Effects[EFFECT_1].Effect = 0;
     });
 
-    // Ulduar, Mimiron, Magnetic Core (summon)
     // Meeting Stone Summon
-    ApplySpellFix({ 64444, 23598 }, [](SpellInfo* spellInfo)
+    ApplySpellFix({ 23598 }, [](SpellInfo* spellInfo)
     {
         spellInfo->Effects[EFFECT_0].TargetA = SpellImplicitTargetInfo(TARGET_DEST_CASTER);
     });