Durability placeholder for new Netherite items (1.16)

[kassadGLA]

Following placeholders does not work with new Netherite armor, tools and sword:

{armor_helmetremainingdurability}
{armor_chestplateremainingdurability}
{armor_leggingsremainingdurability}
{armor_bootsremainingdurability}
{iteminhandremainingdurability}
{iteminoffhandremainingdurability}
{armor_helmet:maxdurability}
{armor_chestplate:maxdurability}
{armor_leggings:maxdurability}
{armor_boots:maxdurability}
{iteminmainhand:maxdurability}
{iteminoffhand:maxdurability}

Regards.