Implementations of suggested items QoL

[PiotrKaszuba]

Referring #459 and #460.

Initially:

• part of #459: item cooldowns visible in horadric cube but not yet in item stash.
• item charges also visible in horadric cube as an extension of #459
• point 5. of #460: horadric lock visible in tower and horadric lock state changeable in tower and horadric cube