forked from viewit/OrcaSlicer-KX
1.Fix flush calc logic 2.Rename m_extruder in GCodeWriter jira:NEW Signed-off-by: xun.zhang <xun.zhang@bambulab.com> Change-Id: I38f023fbad983305632ca62cbfb3909759013c25 (cherry picked from commit f1b0805ed13eb94d6eb61e12330db3d628c0241b)