Fixes #38161 - Humanize flatpak remote resource name (#11288)

Author: sjha4

app/models/katello/flatpak_remote.rb

@@ -19,5 +19,9 @@ class FlatpakRemote < Katello::Model
     scoped_search :on => :url, :complete_value => true
     scoped_search :on => :seeded, :complete_value => true
     scoped_search :on => :registry_url, :complete_value => true
+
+    def self.humanize_class_name(_name = nil)
+      _("Flatpak Remotes")
+    end
   end
 end