rename Workspace to Portfolio in user-facing contexts

templates/workspaces/projects/index.html

@@ -11,11 +11,11 @@
   {% set can_create_projects = user_can(permissions.ADD_APPLICATION_IN_WORKSPACE) %}
 
   {{ EmptyState(
-    'This workspace doesn’t have any projects yet.',
+    'This portfolio doesn’t have any projects yet.',
     action_label='Add a New Project' if can_create_projects else None,
     action_href=url_for('workspaces.new_project', workspace_id=workspace.id) if can_create_projects else None,
     icon='cloud',
-    sub_message=None if can_create_projects else 'Please contact your JEDI Cloud workspace administrator to set up a new project.'
+    sub_message=None if can_create_projects else 'Please contact your JEDI Cloud portfolio administrator to set up a new project.'
   ) }}
 
 {% else %}