forked from viewit/OrcaSlicer-KX
1.Should use idx in used filaments in filament group algorithm jira:NONE Signed-off-by: xun.zhang <xun.zhang@bambulab.com> Change-Id: I5acc849827d84db090e61a45e80a3df2866b2724 (cherry picked from commit 84c55c10edfda91df16843f317ebc7912205b202) (cherry picked from commit daaca0368626e68ba5bdb0ce6a90111292454119)