As a user when the tiles load on my board I expect the isPinned and isUseful state of each tile to be persisted

[jpdaprato]

Functionality already works in a non-persistent way. New endpoint needed to fetch File data by docUrl (unique identifier). Work to be done in tiles.jsx: fetch File data when component mounts and set the persisted state of isPinned and isUseful; update state of isPinned and isUseful on click of each icon (API endpoint already exists; method in tiles.jsx does not)