Fixed rounding of CommandView suggestion popup box

data/core/commandview.lua

@@ -219,7 +219,7 @@ local function draw_suggestions_box(self)
   local dh = style.divider_size
   local offsety = self:get_line_text_y_offset()
   local x, _ = self:get_line_screen_position()
-  local h = self.suggestions_height
+  local h = math.ceil(self.suggestions_height)
   local rx, ry, rw, rh = self.position.x, self.position.y - h - dh, self.size.x, h
 
   -- draw suggestions background