The magnifier handling needs to be redesigned.

[giorgiozoppi]

Magnifier Handling is distributed between the different view models. The magnifier handling shall be redesigned to be centralized and configurable for adding different type of magnifiers.
Requirements:

1. Open/Close principle. We can extend a magnifier, compose a magnifier for multiple answers.
2. Single responsability. Each composed magnifier has tag/label and its resposability declared.
   Flow of a dualsearchbox and magnifier:
   

The idea is of an unique object to handle the ViewModel part for all the application. The limitation is the that the request shall be handled indipendently from the dtos returned.