resolve ambiguous argument for Variant error (#2099)

spine-godot/spine_godot/SpineAnimation.cpp

@@ -93,7 +93,7 @@ bool SpineAnimation::has_timeline(Array ids) {
 	property_ids.setSize(ids.size(), 0);
 
 	for (int i = 0; i < (int) property_ids.size(); ++i) {
-		property_ids[i] = (spine::PropertyId) ids[i];
+		property_ids[i] = (int64_t) ids[i];
 	}
 	return get_spine_object()->hasTimeline(property_ids);
 }

spine-godot/spine_godot/SpineTimeline.cpp

@@ -88,7 +88,7 @@ Array SpineTimeline::get_property_ids() {
 	auto &ids = get_spine_object()->getPropertyIds();
 	result.resize((int) ids.size());
 	for (int i = 0; i < result.size(); ++i) {
-		result[i] = (spine::PropertyId) ids[i];
+		result[i] = (int64_t) ids[i];
 	}
 	return result;
 }