Quick fixes - Fix all '...' problems in file

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With the quick fix there comes the "Fix all '**Unmapped target properties**' problems in file" option. But this only fixes the selected target property and not all as it should. Also it is not clear if fix all means add all or ignore all properties.

1. the fix all should go through the list of all similar problems
2. all similar should make a difference between add and ignore, depending on what menu entry was selected

I recognized that there is an "Ignore all unmapped target properties". That helps on the first level in the menu but the "Fix all..." in the submenu is also a common usage in IntelliJ IDEA. At least having the same for add would be a quick win while completing the implentation to Fix all later on.

Inizia tracciando la gestione della correzione rapida di IntelliJ per “Fix all” e la voce di menu correlata “Ignore all unmapped target properties”. Verifica come viene applicata l’azione selezionata ai problemi simili, quindi conferma che l’aggiunta e l’ignoranza rimangano distinte e che l’azione a livello di file elabori ogni problema corrispondente.

Scritto dal modello di indicizzazione a partire dal testo della issue.