Make our Angular components use signal inputs, models and signal queries

[quentinderoubaix]

Description We have migrated to Angular 17.2, allowing us to start using even more signals into our widgets.

References: https://next.angular.io/api/core/input https://angular.io/api/core/model https://angular.io/api/core/viewChild

Can be split into two parts:

• [x] #770
• [ ] once they are not experimental any longer, migrate the bootstrap components