fix: Reword hosts message to specify next steps

ui/core/app/templates/scopes/scope/projects/project/host-catalogs/host-catalog/host-sets/host-set/hosts.hbs

@@ -64,7 +64,10 @@
       </message.description>
       <message.link @route="scopes.scope.projects.project.host-catalogs.host-catalog.hosts.new">
         <Rose::Icon @name="plus-circle-outline" />
-        {{t "titles.new"}}
+        {{t "resources.host-set.host.messages.none.actions.new"}}
+      </message.link>
+      <message.link @route="scopes.scope.projects.project.host-catalogs.host-catalog.host-sets.host-set.add-hosts">
+        {{t "resources.host-set.actions.add-hosts"}}
       </message.link>
     </Rose::Message>
   </Rose::Layout::Centered>

ui/core/translations/resources/en-us.yaml

@@ -74,8 +74,10 @@ host-set:
   host:
     messages:
       none:
-        title: Welcome to Hosts
-        description: No hosts available in this host set.
+        title: No Hosts
+        description: No hosts available in this host set. Create hosts in a host catalog before assigning them to this host set.
+        actions:
+          new: New Host
       add:
         title: Add Hosts
         description: Select hosts that belong to this host set.