Additional commit related to EXT-3988 ([BSI] superfluous bottom bar buttons shown in mouse look after pressing enter): added gesture button accessibility via TAB and open Gestures list by pressing ENTER/SPACE.
Additional commit related to EXT-3988 ([BSI] superfluous bottom bar buttons shown in mouse look after pressing enter): added gesture button accessibility via TAB and open Gestures list by pressing ENTER/SPACE.

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