rds: update whole display on connect/disconnect
rds: update whole display on connect/disconnect

If a client connects make sure the complete display is sent out once otherwise
display might initially not be show correct.

awakecoding/FreeRDS,vworkspace/FreeRDS,awakecoding/FreeRDS,vworkspace/FreeRDS,vworkspace/FreeRDS,awakecoding/FreeRDS