Fix TextEdit cursor update when adding or deleting text
Fix TextEdit cursor update when adding or deleting text

Updating the viewport while setting the line index before the column is
set could wrongly cause the text to be scrolled down.

firefly2442/godot,BastiaanOlij/godot,firefly2442/godot,Faless/godot,DmitriySalnikov/godot,josempans/godot,MarianoGnu/godot,BastiaanOlij/godot,vkbsb/godot,vnen/godot,DmitriySalnikov/godot,BastiaanOlij/godot,Zylann/godot,josempans/godot,Faless/godot,Shockblast/godot,ZuBsPaCe/godot,MarianoGnu/godot,Faless/godot,vkbsb/godot,akien-mga/godot,akien-mga/godot,josempans/godot,Zylann/godot,firefly2442/godot,guilhermefelipecgs/godot,godotengine/godot,sanikoyes/godot,vkbsb/godot,guilhermefelipecgs/godot,firefly2442/godot,pkowal1982/godot,pkowal1982/godot,pkowal1982/godot,Valentactive/godot,Valentactive/godot,Faless/godot,MarianoGnu/godot,firefly2442/godot,guilhermefelipecgs/godot,firefly2442/godot,Zylann/godot,MarianoGnu/godot,vkbsb/godot,DmitriySalnikov/godot,josempans/godot,sanikoyes/godot,Shockblast/godot,Faless/godot,akien-mga/godot,DmitriySalnikov/godot,guilhermefelipecgs/godot,pkowal1982/godot,Shockblast/godot,vkbsb/godot,ZuBsPaCe/godot,Zylann/godot,BastiaanOlij/godot,honix/godot,ZuBsPaCe/godot,Zylann/godot,Faless/godot,Shockblast/godot,MarianoGnu/godot,guilhermefelipecgs/godot,ZuBsPaCe/godot,honix/godot,josempans/godot,josempans/godot,guilhermefelipecgs/godot,godotengine/godot,vnen/godot,MarianoGnu/godot,akien-mga/godot,vnen/godot,sanikoyes/godot,honix/godot,BastiaanOlij/godot,DmitriySalnikov/godot,akien-mga/godot,ZuBsPaCe/godot,sanikoyes/godot,vnen/godot,Zylann/godot,pkowal1982/godot,godotengine/godot,MarianoGnu/godot,akien-mga/godot,MarianoGnu/godot,sanikoyes/godot,Zylann/godot,Valentactive/godot,honix/godot,ZuBsPaCe/godot,DmitriySalnikov/godot,BastiaanOlij/godot,honix/godot,Valentactive/godot,Shockblast/godot,Shockblast/godot,godotengine/godot,vnen/godot,vkbsb/godot,vnen/godot,sanikoyes/godot,pkowal1982/godot,ZuBsPaCe/godot,Shockblast/godot,Shockblast/godot,guilhermefelipecgs/godot,vkbsb/godot,firefly2442/godot,pkowal1982/godot,godotengine/godot,vkbsb/godot,sanikoyes/godot,honix/godot,pkowal1982/godot,Valentactive/godot,DmitriySalnikov/godot,akien-mga/godot,vnen/godot,Faless/godot,Zylann/godot,sanikoyes/godot,Valentactive/godot,Faless/godot,akien-mga/godot,firefly2442/godot,ZuBsPaCe/godot,godotengine/godot,godotengine/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,josempans/godot,josempans/godot,godotengine/godot,BastiaanOlij/godot,Valentactive/godot,vnen/godot,Valentactive/godot