Merge branch 'bugfix/BLEQABR23-632v43' into 'release/v4.3'

fix(ble_mesh): avoid executing bt_mesh_host_init() more than once when using nimble (v4.3)

See merge request espressif/esp-idf!26244

components/bt/esp_ble_mesh/mesh_core/nimble_host/mesh_bearer_adapt.c

@@ -88,7 +88,8 @@ int bt_mesh_host_init(void)
     int rc;
 
     if (init == true) {
-        return -EALREADY;
+        BT_WARN("Already initialized host for mesh!");
+        return 0;
     }
 
     rc = btc_init();