Fix Collada material roughness import function
Fix Collada material roughness import function

Fixes NaN roughness in Godot when hardness in Blender is set to more than 255.
Also corrects dependency: more hardness = more roughness (it says shininess, but it actually is hardness).
josempans/godot,godotengine/godot,Faless/godot,groud/godot,akien-mga/godot,okamstudio/godot,guilhermefelipecgs/godot,ex/godot,firefly2442/godot,Valentactive/godot,MarianoGnu/godot,MarianoGnu/godot,godotengine/godot,Paulloz/godot,mcanders/godot,guilhermefelipecgs/godot,Paulloz/godot,okamstudio/godot,Zylann/godot,Zylann/godot,pkowal1982/godot,ZuBsPaCe/godot,ex/godot,guilhermefelipecgs/godot,Valentactive/godot,vnen/godot,godotengine/godot,honix/godot,Zylann/godot,josempans/godot,firefly2442/godot,pkowal1982/godot,MarianoGnu/godot,Shockblast/godot,sanikoyes/godot,Paulloz/godot,groud/godot,RandomShaper/godot,pkowal1982/godot,Paulloz/godot,okamstudio/godot,okamstudio/godot,Valentactive/godot,guilhermefelipecgs/godot,godotengine/godot,DmitriySalnikov/godot,Faless/godot,Zylann/godot,akien-mga/godot,Zylann/godot,DmitriySalnikov/godot,godotengine/godot,ZuBsPaCe/godot,Faless/godot,ex/godot,RandomShaper/godot,vkbsb/godot,Valentactive/godot,NateWardawg/godot,Faless/godot,Faless/godot,vkbsb/godot,ex/godot,Zylann/godot,ZuBsPaCe/godot,akien-mga/godot,vnen/godot,RandomShaper/godot,Zylann/godot,sanikoyes/godot,ex/godot,akien-mga/godot,sanikoyes/godot,Shockblast/godot,RandomShaper/godot,godotengine/godot,BastiaanOlij/godot,okamstudio/godot,NateWardawg/godot,akien-mga/godot,akien-mga/godot,NateWardawg/godot,mcanders/godot,vnen/godot,BastiaanOlij/godot,Shockblast/godot,ZuBsPaCe/godot,pkowal1982/godot,RandomShaper/godot,josempans/godot,josempans/godot,Valentactive/godot,vnen/godot,vkbsb/godot,Valentactive/godot,firefly2442/godot,NateWardawg/godot,mcanders/godot,Shockblast/godot,Faless/godot,ex/godot,MarianoGnu/godot,groud/godot,NateWardawg/godot,godotengine/godot,ZuBsPaCe/godot,Valentactive/godot,honix/godot,NateWardawg/godot,honix/godot,firefly2442/godot,DmitriySalnikov/godot,BastiaanOlij/godot,BastiaanOlij/godot,DmitriySalnikov/godot,DmitriySalnikov/godot,MarianoGnu/godot,okamstudio/godot,ZuBsPaCe/godot,Paulloz/godot,akien-mga/godot,mcanders/godot,josempans/godot,honix/godot,Faless/godot,sanikoyes/godot,ZuBsPaCe/godot,vnen/godot,Shockblast/godot,akien-mga/godot,MarianoGnu/godot,pkowal1982/godot,Zylann/godot,NateWardawg/godot,godotengine/godot,sanikoyes/godot,Shockblast/godot,pkowal1982/godot,firefly2442/godot,BastiaanOlij/godot,firefly2442/godot,josempans/godot,guilhermefelipecgs/godot,okamstudio/godot,MarianoGnu/godot,BastiaanOlij/godot,BastiaanOlij/godot,MarianoGnu/godot,Valentactive/godot,josempans/godot,DmitriySalnikov/godot,firefly2442/godot,RandomShaper/godot,BastiaanOlij/godot,ex/godot,honix/godot,Faless/godot,vkbsb/godot,vnen/godot,okamstudio/godot,vnen/godot,ZuBsPaCe/godot,groud/godot,sanikoyes/godot,vkbsb/godot,NateWardawg/godot,pkowal1982/godot,mcanders/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,Shockblast/godot,okamstudio/godot,sanikoyes/godot,Shockblast/godot,groud/godot,okamstudio/godot,pkowal1982/godot,guilhermefelipecgs/godot,josempans/godot,DmitriySalnikov/godot,mcanders/godot,vkbsb/godot,groud/godot,vkbsb/godot,NateWardawg/godot,honix/godot,ex/godot,vkbsb/godot,sanikoyes/godot,firefly2442/godot,Paulloz/godot,vnen/godot,Paulloz/godot,RandomShaper/godot