XypicDiagramDrawer: Don't lose morphisms properties.
XypicDiagramDrawer: Don't lose morphisms properties.

Previously, when sorting the morphisms, the method draw would overwrite
the original dictionary mapping morphisms to their properties with a
sorted list of morphisms.  This commit fixes this issue.

maniteja123/sympy,hargup/sympy,lidavidm/sympy,mcdaniel67/sympy,kmacinnis/sympy,garvitr/sympy,farhaanbukhsh/sympy,Designist/sympy,mcdaniel67/sympy,Mitchkoens/sympy,skidzo/sympy,atsao72/sympy,VaibhavAgarwalVA/sympy,lindsayad/sympy,pandeyadarsh/sympy,jamesblunt/sympy,madan96/sympy,cswiercz/sympy,skidzo/sympy,ChristinaZografou/sympy,debugger22/sympy,skidzo/sympy,rahuldan/sympy,mafiya69/sympy,debugger22/sympy,oliverlee/sympy,beni55/sympy,Titan-C/sympy,postvakje/sympy,sunny94/temp,Shaswat27/sympy,Gadal/sympy,wyom/sympy,AunShiLord/sympy,lidavidm/sympy,cccfran/sympy,jaimahajan1997/sympy,Shaswat27/sympy,hrashk/sympy,jaimahajan1997/sympy,shipci/sympy,vipulroxx/sympy,grevutiu-gabriel/sympy,emon10005/sympy,vipulroxx/sympy,pbrady/sympy,madan96/sympy,Designist/sympy,saurabhjn76/sympy,wyom/sympy,amitjamadagni/sympy,farhaanbukhsh/sympy,Curious72/sympy,amitjamadagni/sympy,beni55/sympy,kumarkrishna/sympy,MechCoder/sympy,garvitr/sympy,Sumith1896/sympy,diofant/diofant,flacjacket/sympy,sampadsaha5/sympy,toolforger/sympy,abhiii5459/sympy,Mitchkoens/sympy,Shaswat27/sympy,grevutiu-gabriel/sympy,chaffra/sympy,drufat/sympy,liangjiaxing/sympy,Arafatk/sympy,bukzor/sympy,ahhda/sympy,sunny94/temp,jerli/sympy,kumarkrishna/sympy,kmacinnis/sympy,farhaanbukhsh/sympy,kevalds51/sympy,kaushik94/sympy,Vishluck/sympy,skirpichev/omg,yashsharan/sympy,maniteja123/sympy,wyom/sympy,lindsayad/sympy,shipci/sympy,cswiercz/sympy,Titan-C/sympy,aktech/sympy,moble/sympy,kaushik94/sympy,cccfran/sympy,ga7g08/sympy,pandeyadarsh/sympy,souravsingh/sympy,Arafatk/sympy,hrashk/sympy,sahilshekhawat/sympy,Titan-C/sympy,Gadal/sympy,VaibhavAgarwalVA/sympy,abloomston/sympy,Davidjohnwilson/sympy,chaffra/sympy,MridulS/sympy,asm666/sympy,jbbskinny/sympy,kaushik94/sympy,pandeyadarsh/sympy,dqnykamp/sympy,bukzor/sympy,jbbskinny/sympy,iamutkarshtiwari/sympy,AunShiLord/sympy,atreyv/sympy,Davidjohnwilson/sympy,jerli/sympy,yukoba/sympy,atsao72/sympy,jbbskinny/sympy,jamesblunt/sympy,toolforger/sympy,wanglongqi/sympy,sahmed95/sympy,lindsayad/sympy,abhiii5459/sympy,moble/sympy,Curious72/sympy,wanglongqi/sympy,kmacinnis/sympy,kevalds51/sympy,postvakje/sympy,meghana1995/sympy,ahhda/sympy,pbrady/sympy,ChristinaZografou/sympy,mafiya69/sympy,Designist/sympy,Mitchkoens/sympy,asm666/sympy,sahilshekhawat/sympy,AunShiLord/sympy,iamutkarshtiwari/sympy,jerli/sympy,liangjiaxing/sympy,sampadsaha5/sympy,shipci/sympy,cswiercz/sympy,Sumith1896/sympy,Vishluck/sympy,MechCoder/sympy,sunny94/temp,shikil/sympy,dqnykamp/sympy,Sumith1896/sympy,yashsharan/sympy,srjoglekar246/sympy,iamutkarshtiwari/sympy,garvitr/sympy,oliverlee/sympy,MechCoder/sympy,Gadal/sympy,rahuldan/sympy,ahhda/sympy,MridulS/sympy,souravsingh/sympy,atreyv/sympy,maniteja123/sympy,aktech/sympy,yashsharan/sympy,beni55/sympy,pbrady/sympy,sampadsaha5/sympy,oliverlee/sympy,jaimahajan1997/sympy,Arafatk/sympy,chaffra/sympy,mafiya69/sympy,debugger22/sympy,AkademieOlympia/sympy,abloomston/sympy,vipulroxx/sympy,saurabhjn76/sympy,abhiii5459/sympy,hargup/sympy,yukoba/sympy,mcdaniel67/sympy,dqnykamp/sympy,lidavidm/sympy,aktech/sympy,asm666/sympy,kaichogami/sympy,drufat/sympy,MridulS/sympy,emon10005/sympy,madan96/sympy,kevalds51/sympy,Vishluck/sympy,VaibhavAgarwalVA/sympy,atreyv/sympy,liangjiaxing/sympy,kaichogami/sympy,rahuldan/sympy,kumarkrishna/sympy,emon10005/sympy,AkademieOlympia/sympy,meghana1995/sympy,atsao72/sympy,shikil/sympy,bukzor/sympy,hrashk/sympy,yukoba/sympy,grevutiu-gabriel/sympy,cccfran/sympy,moble/sympy,kaichogami/sympy,ChristinaZografou/sympy,hargup/sympy,Curious72/sympy,wanglongqi/sympy,sahmed95/sympy,sahilshekhawat/sympy,Davidjohnwilson/sympy,postvakje/sympy,shikil/sympy,jamesblunt/sympy,saurabhjn76/sympy,meghana1995/sympy,sahmed95/sympy,ga7g08/sympy,abloomston/sympy,souravsingh/sympy,AkademieOlympia/sympy,drufat/sympy,toolforger/sympy,ga7g08/sympy