Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting http://91.221.70.94:3000/MOS/OpenBoard/commit/97c5d38465040618e187f6de3f520873ad867de8?style=split&whitespace=ignore-change
You should set ROOT_URL correctly, otherwise the web may not work correctly.
On linux isAbsourd point is incompatible with multiple desktop. Event a point on a desktop could be intended as absould because of the point is checked against the screen position. This leads to a lot of errors when screens are positionned differently than 'standard' position. According to the comment this is used only on mac.