Allow whitespace in Gamepad mappings.
Allow whitespace in Gamepad mappings.

Previously, mappings that contained whitespace (most likely after a comma seperator) would not parse
correctly.
Consider the following mapping as an example:

"_test_guid_, test controller, a:b0, b:b1, leftx:a0 ,"

NateWardawg/godot,honix/godot,firefly2442/godot,pkowal1982/godot,Zylann/godot,vnen/godot,godotengine/godot,Shockblast/godot,MarianoGnu/godot,okamstudio/godot,ex/godot,Valentactive/godot,DmitriySalnikov/godot,josempans/godot,n-pigeon/godot,vkbsb/godot,sanikoyes/godot,okamstudio/godot,josempans/godot,Zylann/godot,akien-mga/godot,RebelliousX/Go_Dot,akien-mga/godot,vnen/godot,BastiaanOlij/godot,RandomShaper/godot,ex/godot,Shockblast/godot,Valentactive/godot,okamstudio/godot,guilhermefelipecgs/godot,firefly2442/godot,akien-mga/godot,Faless/godot,exabon/godot,ficoos/godot,DmitriySalnikov/godot,pkowal1982/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,josempans/godot,MarianoGnu/godot,zicklag/godot,Valentactive/godot,Faless/godot,ageazrael/godot,ageazrael/godot,mcanders/godot,Valentactive/godot,Faless/godot,ZuBsPaCe/godot,sanikoyes/godot,Shockblast/godot,MrMaidx/godot,ZuBsPaCe/godot,FateAce/godot,Shockblast/godot,Zylann/godot,BastiaanOlij/godot,morrow1nd/godot,MrMaidx/godot,vnen/godot,guilhermefelipecgs/godot,ex/godot,Shockblast/godot,josempans/godot,Paulloz/godot,MrMaidx/godot,groud/godot,tomreyn/godot,mcanders/godot,mcanders/godot,akien-mga/godot,exabon/godot,MarianoGnu/godot,RebelliousX/Go_Dot,guilhermefelipecgs/godot,MarianoGnu/godot,okamstudio/godot,groud/godot,Zylann/godot,jejung/godot,guilhermefelipecgs/godot,ZuBsPaCe/godot,NateWardawg/godot,Paulloz/godot,Max-Might/godot,vnen/godot,tomreyn/godot,akien-mga/godot,ficoos/godot,RandomShaper/godot,ageazrael/godot,sanikoyes/godot,MrMaidx/godot,ageazrael/godot,n-pigeon/godot,n-pigeon/godot,godotengine/godot,Valentactive/godot,honix/godot,okamstudio/godot,RandomShaper/godot,mcanders/godot,DmitriySalnikov/godot,sanikoyes/godot,jejung/godot,n-pigeon/godot,groud/godot,morrow1nd/godot,tomreyn/godot,Brickcaster/godot,ex/godot,zicklag/godot,BastiaanOlij/godot,RandomShaper/godot,RandomShaper/godot,Paulloz/godot,ageazrael/godot,okamstudio/godot,ex/godot,BastiaanOlij/godot,MarianoGnu/godot,morrow1nd/godot,groud/godot,godotengine/godot,Max-Might/godot,morrow1nd/godot,Paulloz/godot,pkowal1982/godot,RandomShaper/godot,FateAce/godot,Brickcaster/godot,guilhermefelipecgs/godot,DmitriySalnikov/godot,Shockblast/godot,honix/godot,Marqin/godot,sanikoyes/godot,RebelliousX/Go_Dot,vkbsb/godot,exabon/godot,Shockblast/godot,FateAce/godot,Marqin/godot,mcanders/godot,godotengine/godot,Valentactive/godot,RebelliousX/Go_Dot,Brickcaster/godot,NateWardawg/godot,RebelliousX/Go_Dot,zicklag/godot,groud/godot,MrMaidx/godot,Marqin/godot,Zylann/godot,ZuBsPaCe/godot,vnen/godot,pkowal1982/godot,n-pigeon/godot,Brickcaster/godot,godotengine/godot,Brickcaster/godot,guilhermefelipecgs/godot,vkbsb/godot,josempans/godot,Brickcaster/godot,pkowal1982/godot,groud/godot,sanikoyes/godot,DmitriySalnikov/godot,Shockblast/godot,ficoos/godot,Marqin/godot,exabon/godot,godotengine/godot,Faless/godot,Paulloz/godot,Marqin/godot,ageazrael/godot,Paulloz/godot,ficoos/godot,akien-mga/godot,firefly2442/godot,Faless/godot,Zylann/godot,firefly2442/godot,tomreyn/godot,firefly2442/godot,firefly2442/godot,tomreyn/godot,MrMaidx/godot,NateWardawg/godot,Max-Might/godot,MarianoGnu/godot,vnen/godot,exabon/godot,FateAce/godot,ZuBsPaCe/godot,NateWardawg/godot,Zylann/godot,RandomShaper/godot,josempans/godot,pkowal1982/godot,Max-Might/godot,RebelliousX/Go_Dot,josempans/godot,n-pigeon/godot,n-pigeon/godot,ficoos/godot,godotengine/godot,zicklag/godot,vkbsb/godot,NateWardawg/godot,vkbsb/godot,ex/godot,morrow1nd/godot,morrow1nd/godot,Max-Might/godot,jejung/godot,jejung/godot,okamstudio/godot,pkowal1982/godot,Paulloz/godot,ZuBsPaCe/godot,exabon/godot,jejung/godot,Valentactive/godot,ex/godot,honix/godot,BastiaanOlij/godot,godotengine/godot,okamstudio/godot,pkowal1982/godot,ZuBsPaCe/godot,NateWardawg/godot,Zylann/godot,sanikoyes/godot,BastiaanOlij/godot,ficoos/godot,FateAce/godot,MarianoGnu/godot,okamstudio/godot,DmitriySalnikov/godot,Brickcaster/godot,vnen/godot,NateWardawg/godot,akien-mga/godot,Valentactive/godot,zicklag/godot,vkbsb/godot,Marqin/godot,DmitriySalnikov/godot,honix/godot,vkbsb/godot,Max-Might/godot,okamstudio/godot,vkbsb/godot,FateAce/godot,vnen/godot,Faless/godot,josempans/godot,guilhermefelipecgs/godot,ex/godot,ZuBsPaCe/godot,sanikoyes/godot,Faless/godot,ageazrael/godot,Faless/godot,zicklag/godot,MarianoGnu/godot,akien-mga/godot,NateWardawg/godot,firefly2442/godot,jejung/godot,firefly2442/godot,honix/godot,BastiaanOlij/godot,mcanders/godot