Merge branch 'main' into feature/admin_theme

Gemfile.lock

...sets/images/communication/blocks/templates/posts/grid.png

...images/communication/blocks/templates/posts/highlight.png

...sets/images/communication/blocks/templates/posts/list.png

app/controllers/admin/communication/extranets_controller.rb

app/controllers/admin/education/schools_controller.rb

app/controllers/extranet/pages_controller.rb

app/models/communication/block/template/post.rb

app/models/communication/extranet.rb

app/models/education/school.rb

...admin/communication/blocks/templates/pages/_edit.html.erb

...admin/communication/blocks/templates/posts/_edit.html.erb

...min/communication/blocks/templates/posts/_static.html.erb

app/views/admin/communication/extranets/_form.html.erb

app/views/admin/education/schools/_form.html.erb

app/views/extranet/account/show.html.erb

app/views/extranet/application/_footer.html.erb

app/views/extranet/application/_head.html.erb

app/views/extranet/cohorts/_index_cards.html.erb

app/views/extranet/cohorts/_index_facets.html.erb