Improve the String comparison methods' documentation
Improve the String comparison methods' documentation

This closes https://github.com/godotengine/godot-docs/issues/4096.

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