Feature/3d area chart

v4.1.4

fix issue: when first of two editor lost connection and quickly reconnect, second receive 'connectState' in wrong order 'connect' and then 'close' and break _countEditUsers variable. as result first get forever waitAuth on page reload.

Now even if section break is type of "continuous", document will be breaked in to a new page if on the current page there is a footnote.