Implement a "update build" function

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• I've checked for duplicate issues by using the search function of the issue tracker

Is your feature request related to a problem?

One of the things I use PoB for is to check my current builds. For this purpose, I regularly import these builds into PoB via the existing function "Import/Export Build" and there via the area "Character Import". However, this import often (or every time) changes the "Main Skill" and settings which skills can be added to "Full DPS".

Describe the solution you'd like

As a user, I would like a button that directly updates the current build without a selection dialog. As an option, this function should allow or disallow changes to the current settings for Main Skill, Configuration and Full DPS.

Describe alternatives you've considered

No response

Additional context

A suggestion would be to put this button as "Re-import" next to the two buttons "Save" and "Save As".

Inizia tracciando il flusso esistente di Import/Export Build, in particolare Character Import e i controlli Save e Save As menzionati nell’issue. Definisci come un pulsante Re-import debba aggiornare il build corrente e se le impostazioni Main Skill, Configuration e Full DPS debbano essere mantenute o sostituite; il lavoro è completo quando il comportamento funziona senza una finestra di dialogo per la selezione.