translationBot(ui): update translation (Italian)

Currently translated at 97.6% (1190 of 1219 strings)

Co-authored-by: Riccardo Giovanetti <riccardo.giovanetti@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/invokeai/web-ui/it/
Translation: InvokeAI/Web UI

Author: Harvester62

invokeai/frontend/web/public/locales/it.json

@@ -1192,7 +1192,9 @@
         "noLoRAsAvailable": "Nessun LoRA disponibile",
         "noModelsAvailable": "Nessun modello disponibile",
         "selectModel": "Seleziona un modello",
-        "selectLoRA": "Seleziona un LoRA"
+        "selectLoRA": "Seleziona un LoRA",
+        "noRefinerModelsInstalled": "Nessun modello SDXL Refiner installato",
+        "noLoRAsInstalled": "Nessun LoRA installato"
     },
     "invocationCache": {
         "disable": "Disabilita",