Merge branch 'Hachem_Muche/t-engine4-TalentFailureFix'

game/engines/default/engine/Game.lua

game/engines/default/engine/LogDisplay.lua

game/engines/default/engine/dialogs/ShowErrorStack.lua

game/engines/default/engine/interface/ActorLife.lua

game/engines/default/engine/interface/ActorTalents.lua

game/engines/default/modules/boot/class/Game.lua

game/modules/tome/ai/tactical.lua

game/modules/tome/class/Actor.lua

game/modules/tome/class/NPC.lua

game/modules/tome/class/interface/ActorObjectUse.lua

game/modules/tome/class/interface/Combat.lua

game/modules/tome/class/uiset/Classic.lua

game/modules/tome/class/uiset/Minimalist.lua

game/modules/tome/data/talents/misc/misc.lua

game/modules/tome/data/talents/spells/staff-combat.lua