Toolbar prototypes

Prototypes for T175953. See each on desktop and on mobile. Even though they are responsive you in some cases you might need to refresh the page for the JavaScript to kick in.

1. Simple (full toolbar not shown)
2. Full width menu (full toolbar not shown)

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3. Tool disappears on mobile (Undo and redo)
4. Label disappears on mobile
5. Tool group collapses to dropdown

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6. Toolbar pagination
7. Extra tools in menu
8. Extra tools in panel
9. Extra tools in sub toolbar
10. Extra tools in grid