Fix spelling of "ID" and excessive colon in `bang_olufsen` integration (#140518)

homeassistant/components/bang_olufsen/strings.json

@@ -274,7 +274,7 @@
       "message": "An error occurred while attempting to play {media_type}: {error_message}."
     },
     "invalid_grouping_entity": {
-      "message": "Entity with id: {entity_id} can't be added to the Beolink session. Is the entity a Bang & Olufsen media_player?"
+      "message": "Entity with ID {entity_id} can't be added to the Beolink session. Is the entity a Bang & Olufsen media_player?"
     },
     "invalid_sound_mode": {
       "message": "{invalid_sound_mode} is an invalid sound mode. Valid values are: {valid_sound_modes}."