Implement 'Save All' Functionality for Nested Collections in Relation Drawer

Summary Allow the user to aggregate the same functionality for all nested collections from the relations drawer. Basic Example Add a new "save all" button to any relation drawer at any depth to commit the change from the drawer without forcing the user to save each nested collection's change. Example: <img width="1675" alt="save all" src=" Motivation There are a couple of advantages to having this functionality: 1. will create a less click-intensive experience when having relations with multiple nested relations 2. having validations be a bit clearer as it is shown on the correct context Detailed Design • add a new save all button on the relation drawer • clicking on the save will aggregate the save functionality to all nested relations while keeping the active drawer opened Requirements List Must Have: • Add a "Save All" button to each relation drawer interface, regardless of its depth in the h…