fix item destroy by doors

[ArturKnopik]

Pull Request Prelude

• I have followed [proper The Forgotten Server code styling][code].
• I have read and understood the [contribution guidelines][cont] before making this PR.
• I am aware that this PR may be closed if the above-mentioned criteria are not fulfilled.

Changes Proposed

Fix items damaged by doors

Issues addressed:
#4839

How to test:
Use doors in position 121, 83, 10
Create item 1787 like on image

Open doors
Put items under player
Move back from doors

[ArturKnopik]

I can't use position or fromPosition from function parameters, they returns always the same positions, creature position is good becouse it's should be always valid
issue opened: #4857

[ramon-bernardo]

Could you create Position::relocate and avoid using compat doRelocate

-- data\lib\core\position.lua
function Position:relocate(toPos)
	if self == toPos then
		return false
	end

	local fromTile = Tile(self)
	if not fromTile then
		return false
	end

	if not Tile(toPos) then
		return false
	end

	for i = fromTile:getThingCount() - 1, 0, -1 do
		local thing = fromTile:getThing(i)
		if thing then
			if thing:isItem() then
				if ItemType(thing:getId()):isMovable() then
					thing:moveTo(toPos)
				end
			elseif thing:isCreature() then
				thing:teleportTo(toPos)
			end
		end
	end
	return true
end

position::relocate(creature:getPosition())