update latex.py for series expansion neglection order
update latex.py for series expansion neglection order

As explained in https://github.com/sympy/sympy/issues/10836, separation needed between \rightarrow and its following symbols(s) for series expansion, for _print_Order() function
postvakje/sympy,jaimahajan1997/sympy,hargup/sympy,Titan-C/sympy,ChristinaZografou/sympy,madan96/sympy,souravsingh/sympy,kaushik94/sympy,Titan-C/sympy,kaushik94/sympy,aktech/sympy,aktech/sympy,yashsharan/sympy,drufat/sympy,rahuldan/sympy,jaimahajan1997/sympy,skidzo/sympy,chaffra/sympy,ChristinaZografou/sympy,aktech/sympy,yashsharan/sympy,sampadsaha5/sympy,Titan-C/sympy,skidzo/sympy,chaffra/sympy,souravsingh/sympy,skidzo/sympy,ChristinaZografou/sympy,madan96/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,sampadsaha5/sympy,hargup/sympy,rahuldan/sympy,souravsingh/sympy,drufat/sympy,chaffra/sympy,hargup/sympy,postvakje/sympy,drufat/sympy,rahuldan/sympy,yashsharan/sympy,madan96/sympy,kaushik94/sympy,postvakje/sympy