fix(calendar): support multi-day events (#4151)

packages/translation/src/lang/en.json

@@ -1707,6 +1707,9 @@
     "calendar": {
       "name": "Calendar",
       "description": "Display events from your integrations in a calendar view within a certain relative time period",
+      "duration": {
+        "allDay": "All day"
+      },
       "option": {
         "releaseType": {
           "label": "Radarr release type",