Fix failing migration

Signed-off-by: Émile Ré <emile@getprobo.com>

pkg/coredata/migrations/20260119T182800.sql

@@ -1,9 +1,62 @@
-UPDATE
-    iam_memberships m
-SET
-    id = generate_gid(decode_base64_unpadded(o.tenant_id), 39)
-FROM
-    organizations o
+WITH old_to_new AS (
+    SELECT
+        tenant_id,
+        id AS old_id,
+        generate_gid(decode_base64_unpadded(tenant_id), 39) as new_id,
+        identity_id,
+        organization_id,
+        role,
+        created_at,
+        updated_at,
+        source,
+        state
+    FROM
+        iam_memberships m
+    WHERE
+        extract_entity_type(parse_gid(m.id)) = 38
+),
+inserted_memberships AS (
+    INSERT INTO
+        iam_memberships (
+            tenant_id,
+            id,
+            identity_id,
+            organization_id,
+            role,
+            created_at,
+            updated_at,
+            source,
+            state
+        )
+    SELECT
+        m.tenant_id,
+        m.new_id as id,
+        m.identity_id,
+        m.organization_id,
+        m.role,
+        m.created_at,
+        m.updated_at,
+        m.source,
+        m.state
+    FROM
+        old_to_new m RETURNING id
+),
+updated_profiles AS (
+    UPDATE
+        iam_membership_profiles mp
+    SET
+        membership_id = m.new_id
+    FROM
+        old_to_new m
+    WHERE
+        mp.membership_id = m.old_id RETURNING id
+)
+DELETE FROM
+    iam_memberships
 WHERE
-    o.id = m.organization_id
-    AND extract_entity_type(parse_gid(m.id)) = 38;
+    id IN (
+        SELECT
+            old_id
+        FROM
+            old_to_new
+    ) RETURNING id;