Fix displayed spell success chance in God Mode

apps/openmw/mwgui/spellmodel.cpp

@@ -8,6 +8,7 @@
 
 #include "../mwmechanics/creaturestats.hpp"
 #include "../mwmechanics/spellcasting.hpp"
+#include "../mwmechanics/actorutil.hpp"
 
 #include "../mwworld/esmstore.hpp"
 #include "../mwworld/inventorystore.hpp"
@@ -60,7 +61,11 @@ namespace MWGui
             {
                 newSpell.mType = Spell::Type_Spell;
                 std::string cost = std::to_string(spell->mData.mCost);
-                std::string chance = std::to_string((stats.getMagicka().getCurrent() >= spell->mData.mCost) ? int(MWMechanics::getSpellSuccessChance(spell, mActor)) : 0);
+                std::string chance = std::to_string(
+                    (stats.getMagicka().getCurrent() >= spell->mData.mCost ||
+                    (mActor == MWMechanics::getPlayer() && MWBase::Environment::get().getWorld()->getGodModeState())
+                    ) ? int(MWMechanics::getSpellSuccessChance(spell, mActor)) : 0
+                );
                 newSpell.mCostColumn = cost + "/" + chance;
             }
             else