Highlight multiline strings as strings instead of comments
Highlight multiline strings as strings instead of comments

Since multiline comments are not officially supported in GDScript, it is
more common to see multiline strings being used as strings rather than
as comments (which are actually standalone expressions here).

This closes #21142.

josempans/godot,firefly2442/godot,Zylann/godot,ex/godot,NateWardawg/godot,Zylann/godot,Paulloz/godot,BastiaanOlij/godot,josempans/godot,Shockblast/godot,groud/godot,okamstudio/godot,okamstudio/godot,firefly2442/godot,Faless/godot,guilhermefelipecgs/godot,ZuBsPaCe/godot,NateWardawg/godot,ZuBsPaCe/godot,pkowal1982/godot,honix/godot,okamstudio/godot,MarianoGnu/godot,MarianoGnu/godot,vkbsb/godot,Valentactive/godot,honix/godot,DmitriySalnikov/godot,honix/godot,akien-mga/godot,ZuBsPaCe/godot,ex/godot,guilhermefelipecgs/godot,okamstudio/godot,okamstudio/godot,ZuBsPaCe/godot,godotengine/godot,groud/godot,josempans/godot,Valentactive/godot,groud/godot,Valentactive/godot,Faless/godot,Valentactive/godot,NateWardawg/godot,ZuBsPaCe/godot,Valentactive/godot,pkowal1982/godot,godotengine/godot,MarianoGnu/godot,vkbsb/godot,okamstudio/godot,guilhermefelipecgs/godot,sanikoyes/godot,akien-mga/godot,vnen/godot,mcanders/godot,sanikoyes/godot,Shockblast/godot,Shockblast/godot,DmitriySalnikov/godot,guilhermefelipecgs/godot,akien-mga/godot,godotengine/godot,pkowal1982/godot,pkowal1982/godot,Faless/godot,BastiaanOlij/godot,godotengine/godot,ex/godot,Valentactive/godot,sanikoyes/godot,MarianoGnu/godot,mcanders/godot,sanikoyes/godot,vnen/godot,firefly2442/godot,MarianoGnu/godot,BastiaanOlij/godot,firefly2442/godot,Shockblast/godot,Zylann/godot,josempans/godot,vkbsb/godot,Shockblast/godot,mcanders/godot,Valentactive/godot,okamstudio/godot,vkbsb/godot,Shockblast/godot,BastiaanOlij/godot,sanikoyes/godot,honix/godot,Paulloz/godot,godotengine/godot,Valentactive/godot,vnen/godot,firefly2442/godot,Faless/godot,josempans/godot,firefly2442/godot,guilhermefelipecgs/godot,honix/godot,pkowal1982/godot,ex/godot,akien-mga/godot,ex/godot,Paulloz/godot,groud/godot,groud/godot,NateWardawg/godot,BastiaanOlij/godot,sanikoyes/godot,NateWardawg/godot,vkbsb/godot,godotengine/godot,vkbsb/godot,Zylann/godot,Faless/godot,sanikoyes/godot,Paulloz/godot,Faless/godot,pkowal1982/godot,akien-mga/godot,josempans/godot,firefly2442/godot,BastiaanOlij/godot,ZuBsPaCe/godot,MarianoGnu/godot,DmitriySalnikov/godot,mcanders/godot,vnen/godot,akien-mga/godot,honix/godot,ex/godot,vkbsb/godot,pkowal1982/godot,DmitriySalnikov/godot,okamstudio/godot,ZuBsPaCe/godot,okamstudio/godot,MarianoGnu/godot,MarianoGnu/godot,Paulloz/godot,DmitriySalnikov/godot,Paulloz/godot,NateWardawg/godot,vkbsb/godot,Shockblast/godot,pkowal1982/godot,Faless/godot,ex/godot,Zylann/godot,akien-mga/godot,groud/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,ZuBsPaCe/godot,NateWardawg/godot,Faless/godot,Zylann/godot,godotengine/godot,sanikoyes/godot,DmitriySalnikov/godot,guilhermefelipecgs/godot,DmitriySalnikov/godot,vnen/godot,mcanders/godot,Paulloz/godot,ex/godot,godotengine/godot,NateWardawg/godot,josempans/godot,BastiaanOlij/godot,akien-mga/godot,mcanders/godot,josempans/godot,firefly2442/godot,vnen/godot,vnen/godot,okamstudio/godot,Shockblast/godot,Zylann/godot,NateWardawg/godot,Zylann/godot,vnen/godot,BastiaanOlij/godot