EUS-SHAREDME-3 close modal after action is done

**Is your feature request related to a problem? Please describe.**
Leaving a modal open after it was used is useless since the user has done what he needed to do.

**Describe the solution you'd like**
Close the modal when :
- A download is finished;
- A additional share has been done;
- A share has been removed;

**Describe alternatives you've considered**
/

**Additional context**
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