v4.0.0-beta.28

• chore(i18n): update translations (#647) (43034c9), closes #647
• chore(release): 4.0.0-beta.28 (1b0dd28)
• fix(creator): Prevent creating during creator pending (#643) (7d9a482), closes #643
• fix(drawing): Hovering on drawing target should show border and shadow (#650) (48c2338), closes #650
• fix(highlight): Prevent changing staged during creator pending (#645) (d81bd53), closes #645
• feat(drawing): Add custom cursor for drawing mode (#646) (6145b83), closes #646
• feat(drawing): Add PopupDrawingToolbar (#644) (54a66f0), closes #644
• feat(drawing): Create staged drawing (#640) (40be2ee), closes #640
• feat(drawing): Support for post'ing to the server (#648) (f191bc9), closes #648
• refactor(resin): Move iscurrent and fileid to BaseManager (#642) (907e14b), closes #642