Fix alternate screen default size, again
Fix alternate screen default size, again

gloob/vte-copy,gloob/vte-copy,pjm0616/vte,jessevdk/vte,saitoha/vte-sixel,rvu95/vte,asivokon/vte-fx,aligo/vte,pjm0616/vte,rvu95/vte,asivokon/vte-fx,thestinger/vte-ng,thestinger/vte-ng,aligo/vte,flaxandteal/gasket-vte,flaxandteal/gasket-vte,jessevdk/vte,gloob/vte-copy,asivokon/vte-fx,flaxandteal/gasket-vte,thestinger/vte-ng,saitoha/vte-sixel,pjm0616/vte,flaxandteal/gasket-vte,rvu95/vte,asivokon/vte-fx,aligo/vte,rvu95/vte,saitoha/vte-sixel,jessevdk/vte,jessevdk/vte