Improve error message for invalid library feature flags
Improve error message for invalid library feature flags

Fixes https://github.com/godotengine/godot/issues/63227

My version for the error message is:
`No suitable library found. The libraries' tags referred to an invalid feature flag. Possible feature flags for your platform: %s`
godotengine/godot,pkowal1982/godot,sanikoyes/godot,sanikoyes/godot,godotengine/godot,godotengine/godot,sanikoyes/godot,BastiaanOlij/godot,pkowal1982/godot,pkowal1982/godot,BastiaanOlij/godot,godotengine/godot,sanikoyes/godot,sanikoyes/godot,pkowal1982/godot,sanikoyes/godot,pkowal1982/godot,BastiaanOlij/godot,BastiaanOlij/godot,sanikoyes/godot,pkowal1982/godot,godotengine/godot,sanikoyes/godot,BastiaanOlij/godot,pkowal1982/godot,pkowal1982/godot,godotengine/godot,BastiaanOlij/godot,godotengine/godot,BastiaanOlij/godot,godotengine/godot,BastiaanOlij/godot