GDScript: Allow implicit type conversion when constructing variants
GDScript: Allow implicit type conversion when constructing variants

Incidentally fix error message when no valid constructor is found which
was missing an end parenthesis.

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