Fixes: #5231 - Wrong app restart command output.

(cherry picked from commit 0a0b60d7a05fdd130feeaebf0add571a3fbf6611)

9908864e Fixes: #5231 - Wrong app restart command output.
d04ff06c Bring back html escaping.

Co-authored-by: Martin Gruner <mg@zammad.com>

app/assets/javascripts/app/controllers/_application_controller/_modal.coffee

@@ -66,7 +66,7 @@ class App.ControllerModal extends App.Controller
 
   update: =>
     if @message
-      content = App.i18n.translateContent(@message)
+      content = App.Utils.htmlEscape( App.i18n.translatePlain(@message) )
     else if @contentInline
       content = @contentInline
     else