Steps to reproduce:
1. launch HelloTableView app and select "Multiple Cells" choice
2. select a cell
3. navigate to another cell by Ctrl-Up/Down/Left/Right (Cmd-Up/Down/Left/Right)
4. select the cell by Ctrl-Space (Cmd-Ctrl-Space)
5. navigate to firstly selected cell by Ctrl-Up/Down/Left/Right (Cmd-Up/Down/Left/Right)
6. deselect the cell by Ctrl-Space (Cmd-Ctrl-Space)
Result: Focus is lost.
1. launch HelloTableView app and select "Multiple Cells" choice
2. select a cell
3. navigate to another cell by Ctrl-Up/Down/Left/Right (Cmd-Up/Down/Left/Right)
4. select the cell by Ctrl-Space (Cmd-Ctrl-Space)
5. navigate to firstly selected cell by Ctrl-Up/Down/Left/Right (Cmd-Up/Down/Left/Right)
6. deselect the cell by Ctrl-Space (Cmd-Ctrl-Space)
Result: Focus is lost.