Resolve CE/EE diffs in admin users form

Part of single codebase changes.

app/views/admin/users/_form.html.haml

@@ -48,13 +48,9 @@
 
     = render partial: 'access_levels', locals: { f: f }
 
-    - if Gitlab::CurrentSettings.should_check_namespace_plan?
-      = f.fields_for :namespace do |namespace_form|
-        %fieldset
-          %legend Licensed Features
-          = render 'admin/namespace_plan', f: namespace_form
+    = render_if_exists 'admin/users/namespace_plan_fieldset', f: f
 
-    = render partial: 'limits', locals: { f: f }
+    = render_if_exists 'admin/users/limits', f: f
 
     %fieldset
       %legend Profile
@@ -81,11 +77,7 @@
           = f.label :website_url, 'Website', class: 'col-form-label'
         .col-sm-10= f.text_field :website_url, class: 'form-control'
 
-    %fieldset
-      %legend Admin notes
-      .form-group.row
-        = f.label :note, 'Note', class: 'col-form-label'
-        .col-sm-10= f.text_area :note, class: 'form-control'
+    = render_if_exists 'admin/users/admin_notes', f: f
 
     .form-actions
       - if @user.new_record?

ee/app/views/admin/users/_admin_notes.html.haml

+%fieldset
+  %legend= _('Admin notes')
+  .form-group.row
+    = f.label :note, _('AdminNote|Note'), class: 'col-form-label'
+    .col-sm-10= f.text_area :note, class: 'form-control'

ee/app/views/admin/users/_namespace_plan_fieldset.html.haml

+- if Gitlab::CurrentSettings.should_check_namespace_plan?
+  = f.fields_for :namespace do |namespace_form|
+    %fieldset
+      %legend= _('Licensed Features')
+      = render 'admin/namespace_plan', f: namespace_form

locale/gitlab.pot

@@ -747,6 +747,9 @@ msgstr ""
 msgid "Admin Section"
 msgstr ""
 
+msgid "Admin notes"
+msgstr ""
+
 msgid "AdminArea| You are about to permanently delete the user %{username}. Issues, merge requests, and groups linked to them will be transferred to a system-wide \"Ghost-user\". To avoid data loss, consider using the %{strong_start}block user%{strong_end} feature instead. Once you %{strong_start}Delete user%{strong_end}, it cannot be undone or recovered."
 msgstr ""
 
@@ -768,6 +771,9 @@ msgstr ""
 msgid "AdminArea|You’re about to stop all jobs.This will halt all current jobs that are running."
 msgstr ""
 
+msgid "AdminNote|Note"
+msgstr ""
+
 msgid "AdminProjects| You’re about to permanently delete the project %{projectName}, its repository, and all related resources including issues, merge requests, etc..  Once you confirm and press %{strong_start}Delete project%{strong_end}, it cannot be undone or recovered."
 msgstr ""
 
@@ -7455,6 +7461,9 @@ msgstr ""
 msgid "LicenseManagement|You are about to remove the license, %{name}, from this project."
 msgstr ""
 
+msgid "Licensed Features"
+msgstr ""
+
 msgid "Licensed to"
 msgstr ""