Fix max argument count on AnimationTrackEdit spinbox

editor/animation_track_editor.cpp

@@ -584,7 +584,8 @@ public:
 			} break;
 			case Animation::TYPE_METHOD: {
 				p_list->push_back(PropertyInfo(Variant::STRING_NAME, "name"));
-				p_list->push_back(PropertyInfo(Variant::INT, "arg_count", PROPERTY_HINT_RANGE, "0,5,1"));
+				static_assert(VARIANT_ARG_MAX == 8, "PROPERTY_HINT_RANGE needs to be updated if VARIANT_ARG_MAX != 8");
+				p_list->push_back(PropertyInfo(Variant::INT, "arg_count", PROPERTY_HINT_RANGE, "0,8,1"));
 
 				Dictionary d = animation->track_get_key_value(track, key);
 				ERR_FAIL_COND(!d.has("args"));
@@ -1247,7 +1248,8 @@ public:
 				} break;
 				case Animation::TYPE_METHOD: {
 					p_list->push_back(PropertyInfo(Variant::STRING_NAME, "name"));
-					p_list->push_back(PropertyInfo(Variant::INT, "arg_count", PROPERTY_HINT_RANGE, "0,5,1"));
+					static_assert(VARIANT_ARG_MAX == 8, "PROPERTY_HINT_RANGE needs to be updated if VARIANT_ARG_MAX != 8");
+					p_list->push_back(PropertyInfo(Variant::INT, "arg_count", PROPERTY_HINT_RANGE, "0,8,1"));
 
 					Dictionary d = animation->track_get_key_value(first_track, first_key);
 					ERR_FAIL_COND(!d.has("args"));