Increase the default DirectionalLight3D and OmniLight3D shadow biases
Increase the default DirectionalLight3D and OmniLight3D shadow biases

This should decrease the amount of visible shadow acne by default.

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