fix(mobile): keep Duo toolbar actions clear of workspace tabs#22976

fix(mobile): a pull request opened from a thread keeps compose out of its bar

fix(mobile): a tab hidden through a fold keeps its list's search

fix(mobile): folding the Duo keeps the list's search

fix(mobile): Duo shows compose once, in the detail column's bar

fix(mobile): expanded Duo sidebar keeps a full search field at its bottom

fix(mobile): empty workspace drops New Task while the sidebar shows compose

fix(mobile): expanded Duo sidebar searches from its bottom toolbar

fix(mobile): Duo workspace toolbars no longer draw under the tab bar

fix(mobile): folded Duo draws list actions, unfolded Duo loses the glass oval

fix(mobile): iPhone Duo keeps native toolbar groups and one Compose