Reagent dispenser UI (#27831)

Reagent dispenser UI (#27831)

* reagent dispenser: fancy window

* reagent dispenser: dispense button grid

* reagent dispenser: rearrange containers & info

* reagent dispenser: remove `reagent-dispenser-window-container-label`

* reagent dispenser: add `Scrollcontainer` on right side

* reagent dispenser: get rid of pointless actions

* reagent dispenser: cleanup actions and `inventory` field on bound ui state

* reagent dispenser: cool reagent cards & finishing touches

* reagent dispenser: final cleanup and formatting

* reagent dispenser: `ButtonGrid` and `ReagentDispenserSetDispenseAmountMessage` refactor

* reagent dispenser: cleanup code & address minor concerns

* reagent dispenser: text in reagent cards no longer clips

* reagent dispenser: oh wait i forgot to change this and thats why the builds keep failing probably

* reagent dispenser mayybe this

* reagent dispenser: remove `using FastAccessors;`