- fix incorrect signal name when connecting
- fix incorrect signal name when connecting

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