fix: correction extraction insertId MySQL2 dans createFreeproImport (result[0].insertId)

server/db.ts

@@ -964,7 +964,7 @@ export async function createFreeproImport(
   const db = await getDb();
   if (!db) throw new Error("Database not available");
   const result = await db.insert(freeproImports).values(data);
-  const importId = (result as unknown as { insertId: number }).insertId;
+  const importId = Number((result as any)[0]?.insertId ?? (result as any).insertId);
   if (lines.length > 0) {
     const mappedLines = lines.map((l) => ({ ...l, importId }));
     // Insérer par lots de 50 pour éviter les limites de paramètres MySQL