Pass the emptystate message in other places we use the treepicker

src/Umbraco.Web.UI.Client/src/views/common/overlays/insert/insert.controller.js

@@ -80,6 +80,7 @@
                 multiPicker: false,
                 title: localizationService.localize("template_insertDictionaryItem"),
                 description: localizationService.localize("template_insertDictionaryItemDesc"),
+                emptyStateMessage: localizationService.localize("emptyStates_emptyDictionaryTree"),
                 show: true,
                 select: function(node){
 

src/Umbraco.Web.UI.Client/src/views/partialviewmacros/edit.controller.js

@@ -204,6 +204,7 @@
                 multiPicker: false,
                 show: true,
                 title: "Insert dictionary item",
+                emptyStateMessage: localizationService.localize("emptyStates_emptyDictionaryTree"),
                 select: function(node){
 
                     var code = templateHelper.getInsertDictionarySnippet(node.name);

src/Umbraco.Web.UI.Client/src/views/partialviews/edit.controller.js

@@ -194,6 +194,7 @@
                 multiPicker: false,
                 show: true,
                 title: "Insert dictionary item",
+                emptyStateMessage: localizationService.localize("emptyStates_emptyDictionaryTree"),
                 select: function(node){
 
                     var code = templateHelper.getInsertDictionarySnippet(node.name);