Merge pull request #2522 from ProjectMirador/2355-disable-drag-workspace

__tests__/src/actions/workspace.test.js

__tests__/src/components/WindowTopMenu.test.js

__tests__/src/reducers/workspace.test.js

src/components/WindowSideBarCanvasPanel.js

src/components/WindowTopMenu.js

src/components/WorkspaceElastic.js

src/containers/WindowSideBarCanvasPanel.js

src/containers/WindowTopMenu.js

src/state/actions/action-types.js

src/state/actions/window.js

src/state/actions/workspace.js

src/state/reducers/workspace.js