Fix WebSocketClient crash when unref during signal
Fix WebSocketClient crash when unref during signal

Always call disconnect before emitting signals, to avoid calling it on a
freed object if the user decides to unreference it in a signal.

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