Add in missing permissions, add granular dashboard permissions, fix some issues with user management page

inventory-server/auth/routes.js

@@ -229,11 +229,14 @@ router.post('/users', authenticate, requirePermission('create:users'), async (re
     const hashedPassword = await bcrypt.hash(password, saltRounds);
     
     // Insert new user
+    // Convert rocket_chat_user_id to integer if provided
+    const rcUserId = rocket_chat_user_id ? parseInt(rocket_chat_user_id, 10) : null;
+
     const userResult = await client.query(`
       INSERT INTO users (username, email, password, is_admin, is_active, rocket_chat_user_id, created_at)
       VALUES ($1, $2, $3, $4, $5, $6, CURRENT_TIMESTAMP)
       RETURNING id
-    `, [username, email || null, hashedPassword, !!is_admin, is_active !== false, rocket_chat_user_id || null]);
+    `, [username, email || null, hashedPassword, !!is_admin, is_active !== false, rcUserId]);
     
     const userId = userResult.rows[0].id;
     
@@ -360,7 +363,9 @@ router.put('/users/:id', authenticate, requirePermission('edit:users'), async (r
     
     if (rocket_chat_user_id !== undefined) {
       updateFields.push(`rocket_chat_user_id = $${paramIndex++}`);
-      updateValues.push(rocket_chat_user_id || null);
+      // Convert to integer if not null/undefined, otherwise null
+      const rcUserId = rocket_chat_user_id ? parseInt(rocket_chat_user_id, 10) : null;
+      updateValues.push(rcUserId);
     }
     
     // Update password if provided