horsegen: treat inherited skills as being in the original's group

horsegen/skill.sql

@@ -17,7 +17,7 @@ SELECT
 	d.id,
 	n.name,
 	n.description,
-	d.group_id,
+	IIF(d.unique_skill_id_1 = 0, d.group_id, ud.group_id) AS group_id,
 	CASE
 		WHEN g.name IS NOT NULL THEN g.name
 		WHEN d.unique_skill_id_1 != 0 THEN n.name
@@ -48,8 +48,8 @@ SELECT
 	d.target_value_1_3,
 	d.precondition_2,
 	d.condition_2,
-	float_ability_time_2,
-	float_cooldown_time_2,
+	d.float_ability_time_2,
+	d.float_cooldown_time_2,
 	d.ability_type_2_1,
 	d.ability_value_usage_2_1,
 	d.float_ability_value_2_1,
@@ -71,6 +71,7 @@ SELECT
 	ROW_NUMBER() OVER (ORDER BY d.id) - 1 AS "index"
 FROM skill_data d
 	JOIN skill_names n ON d.id = n.id
+	LEFT JOIN skill_data ud ON d.unique_skill_id_1 = ud.id
 	LEFT JOIN skill_groups g ON d.group_id = g.group_id
 	LEFT JOIN single_mode_skill_need_point p ON d.id = p.id
 ORDER BY d.id