translationBot(ui): update translation (Italian) (#8805)

Currently translated at 98.2% (2197 of 2235 strings)

Translation: InvokeAI/Web UI
Translate-URL: https://hosted.weblate.org/projects/invokeai/web-ui/it/

Co-authored-by: Riccardo Giovanetti <riccardo.giovanetti@gmail.com>

Author: lstein

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

@@ -2660,7 +2660,9 @@
             "temperature": "Temperatura",
             "tint": "Tinta",
             "sharpness": "Nitidezza",
-            "reset": "Reimposta"
+            "reset": "Reimposta",
+            "master": "Composito",
+            "finish": "Applica"
         },
         "deletePrompt": "Elimina prompt",
         "addGlobalReferenceImage": "Aggiungi $t(controlLayers.globalReferenceImage)",