Fix keys (#2178)
Fix keys (#2178)

* Fixes { and [ in grid editor. Still disable in cell editor, on Linux

* Avoids beep on keywords suggestions when on Linux
robotframework/RIDE,robotframework/RIDE,robotframework/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,HelioGuilherme66/RIDE