Fix crash when moving an action into itself in the Input Map editor
Fix crash when moving an action into itself in the Input Map editor

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