display:block for table elements

Role ATK Mac MSAA IA2
table ATK_ROLE_TABLE NSAccessibilityGroupRole ROLE_SYSTEM_TABLE ROLE_SYSTEM_TABLE
row ATK_ROLE_LIST_ITEM NSAccessibilityRowRole ROLE_SYSTEM_ROW ROLE_SYSTEM_ROW
cell ATK_ROLE_TABLE_CELL NSAccessibilityGroupRole ROLE_SYSTEM_CELL ROLE_SYSTEM_CELL