Upgrade iiif-tree-component to v2.0.7.#1345

LlGC-jop merged 1 commit intoUniversalViewer:devUniversalViewer/universalviewer:devfrom

FalveyLibraryTechnology:tree-2.0.7FalveyLibraryTechnology/universalviewer:tree-2.0.7Copy head branch name to clipboard