provisioning: fix wifi warning in wifi_prov_mgr application

Scan configuration parameters should not modify in co-existence mode.

components/wifi_provisioning/src/manager.c

@@ -925,11 +925,17 @@ esp_err_t wifi_prov_mgr_wifi_scan_start(bool blocking, bool passive,
 
     if (passive) {
         prov_ctx->scan_cfg.scan_type = WIFI_SCAN_TYPE_PASSIVE;
+/* We do not recommend scan configuration modification in Wi-Fi and BT coexistence mode */
+#if !CONFIG_BT_ENABLED
         prov_ctx->scan_cfg.scan_time.passive = period_ms;
+#endif
     } else {
         prov_ctx->scan_cfg.scan_type = WIFI_SCAN_TYPE_ACTIVE;
+/* We do not recommend scan configuration modification in Wi-Fi and BT coexistence mode */
+#if !CONFIG_BT_ENABLED
         prov_ctx->scan_cfg.scan_time.active.min = period_ms;
         prov_ctx->scan_cfg.scan_time.active.max = period_ms;
+#endif
     }
     prov_ctx->channels_per_group = group_channels;