Merge

__tests__/src/components/SidebarIndexThumbnail.test.js

__tests__/src/components/ThumbnailCanvasGrouping.test.js

__tests__/src/components/ThumbnailNavigation.test.js

__tests__/src/components/VideoViewer.test.js

__tests__/src/components/ViewerInfo.test.js

__tests__/src/components/ViewerNavigation.test.js

__tests__/src/components/Window.test.js

__tests__/src/components/WindowAuthenticationBar.test.js

...s__/src/components/WindowCanvasNavigationControls.test.js

__tests__/src/components/WindowList.test.js

__tests__/src/components/WindowListButton.test.js

__tests__/src/components/WindowSideBar.test.js

...ts__/src/components/WindowSideBarAnnotationsPanel.test.js

__tests__/src/components/WindowSideBarButtons.test.js

__tests__/src/components/WindowSideBarCanvasPanel.test.js

__tests__/src/components/WindowSideBarInfoPanel.test.js

__tests__/src/components/WindowThumbnailSettings.test.js

__tests__/src/components/WindowTopBar.test.js

__tests__/src/components/WindowTopBarPluginArea.test.js

__tests__/src/components/WindowTopBarPluginMenu.test.js