History: Improve explanation of selections by including labels as 4th…

… option (#23479)

Improve explanation of selections by including labels as 4th option

This commit adds labels as the 4th option for data sources in history and the error message when you select 'Add current view as card' in that state from the overflow menu.

src/translations/en.json

@@ -7719,14 +7719,14 @@
         }
       },
       "history": {
-        "start_search": "Start by selecting an area, device or entity above",
+        "start_search": "Select areas, devices, entities or labels above",
         "add_all": "Add all entities",
         "remove_all": "Remove all selections",
         "download_data": "Download data",
         "download_data_error": "Unable to download data",
         "add_card": "Add current view as card",
         "add_card_error": "Unable to add card",
-        "error_no_data": "You need to select data first."
+        "error_no_data": "You need to select some data sources first."
       }
     },
     "tips": {