[Spike] - investigate friendly names for all icon sets

Instead of needing to have prefixed icons e.g. "RhUiArrowDownIcon" and "RhMicronArrowDownIcon" and "ArrowDownIcon", see how feasible it is to create a single "ArrowDownIcon" that has an additional "set" property to control which source path data is rendered.

Should be possible in the writeIcons script before exporting everything, just need to be careful in mapping everything and ensure that icons are named consistently (no arrow-down and down-arrow icons because they would be mapped differently). Need to determine a fallback order for sets (pf/fa > rh-ui > rh-microns > etc?) and default set. Need to figure out documentation because not all icons will have support or data for all sets, and icons may have different default sets.

Jira Issue: PF-3403

Inizia dallo script writeIcons menzionato nell’issue e traccia il modo in cui i nomi delle icone e i percorsi sorgente vengono associati prima dell’esportazione. Valuta la coerenza dell’associazione dei nomi, la selezione dei set, l’ordine dei fallback e il comportamento predefinito, quindi documenta la fattibilità, le combinazioni di set non supportate e le decisioni API risultanti.