V8: Add tooltip/title to unselectable items in MNTP (#4964)

src/Umbraco.Web.UI/Umbraco/config/lang/da.xml

@@ -996,6 +996,7 @@ Mange hilsner fra Umbraco robotten
     <key alias="noColors">Du har ikke konfigureret nogen godkendte farver</key>
   </area>
   <area alias="contentPicker">
+    <key alias="allowedItemTypes">Du kan kun vælge følgende type(r) dokumenter: %0%</key>
     <key alias="pickedTrashedItem">Du har valgt et dokument som er slettet eller lagt i papirkurven</key>
     <key alias="pickedTrashedItems">Du har valgt dokumenter som er slettede eller lagt i papirkurven</key>
   </area>

src/Umbraco.Web.UI/Umbraco/config/lang/en.xml

@@ -1247,6 +1247,7 @@ To manage your website, simply open the Umbraco back office and start adding con
     <key alias="noColors">You have not configured any approved colours</key>
   </area>
   <area alias="contentPicker">
+    <key alias="allowedItemTypes">You can only select items of type(s): %0%</key>
     <key alias="pickedTrashedItem">You have picked a content item currently deleted or in the recycle bin</key>
     <key alias="pickedTrashedItems">You have picked content items currently deleted or in the recycle bin</key>
   </area>

src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml

@@ -1253,6 +1253,7 @@ To manage your website, simply open the Umbraco back office and start adding con
     <key alias="noColors">You have not configured any approved colors</key>
   </area>
   <area alias="contentPicker">
+    <key alias="allowedItemTypes">You can only select items of type(s): %0%</key>
     <key alias="pickedTrashedItem">You have picked a content item currently deleted or in the recycle bin</key>
     <key alias="pickedTrashedItems">You have picked content items currently deleted or in the recycle bin</key>
   </area>