Fix RTL BBCode range regression and selection issues.
Fix RTL BBCode range regression and selection issues.

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