feat: add role_write permission and update e2e tests

Add role_write permission to permissions table and update migrations.
Update e2e tests to use DB integration and seed permissions.
Add seedPermissions helper.

tests/helpers/db_integration.ts

@@ -111,3 +111,9 @@ export async function seedAjustements(
 ): Promise<typeof schema.ajustements.$inferSelect[]> {
   return await testDb.insert(schema.ajustements).values(rows).returning();
 }
+
+export async function seedPermissions(
+  rows: { id: string; nom: string }[],
+): Promise<typeof schema.permissions.$inferSelect[]> {
+  return await testDb.insert(schema.permissions).values(rows).returning();
+}