bugfix(ble_mesh): Close BLEQABR23-798

components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c

@@ -599,7 +599,7 @@ static int provisioner_start_prov_pb_adv(const uint8_t uuid[16], const bt_mesh_a
 
     if (is_unprov_dev_being_provision(uuid)) {
         bt_mesh_pb_adv_unlock();
-        return -EALREADY;
+        return 0;
     }
 
     for (i = 0; i < CONFIG_BLE_MESH_PBA_SAME_TIME; i++) {
@@ -660,7 +660,7 @@ static int provisioner_start_prov_pb_gatt(const uint8_t uuid[16], const bt_mesh_
 
     if (is_unprov_dev_being_provision(uuid)) {
         bt_mesh_pb_gatt_unlock();
-        return -EALREADY;
+        return 0;
     }
 
     for (i = CONFIG_BLE_MESH_PBA_SAME_TIME; i < BLE_MESH_PROV_SAME_TIME; i++) {