Fix bufferline.nvim offsets

[folke]

{
    "akinsho/bufferline.nvim",
    opts = function()
      local Offset = require("bufferline.offset")
      if not Offset.edgy then
        local get = Offset.get
        Offset.get = function()
          if package.loaded.edgy then
            local layout = require("edgy.config").layout
            local ret = { left = "", left_size = 0, right = "", right_size = 0 }
            for _, pos in ipairs({ "left", "right" }) do
              local sb = layout[pos]
              if sb and #sb.wins > 0 then
                local title = " Sidebar" .. string.rep(" ", sb.bounds.width - 8)
                ret[pos] = "%#EdgyTitle#" .. title .. "%*" .. "%#WinSeparator#│%*"
                ret[pos .. "_size"] = sb.bounds.width
              end
            end
            ret.total_size = ret.left_size + ret.right_size
            if ret.total_size > 0 then
              return ret
            end
          end
          return get()
        end
        Offset.edgy = true
      end
    end,
  }