Merge branch 'main' into i18n

Gemfile

Gemfile.lock

app/assets/images/communication/photo_imports/pexels.png

app/assets/images/communication/photo_imports/unsplash.svg

app/assets/stylesheets/admin/appstack/style.sass

app/assets/stylesheets/admin/commons/style.sass

app/assets/stylesheets/admin/commons/treeview.sass

app/assets/stylesheets/admin/pure.sass

app/assets/stylesheets/admin/pure/blocks.sass

app/assets/stylesheets/admin/pure/style.sass

...ntrollers/admin/communication/photo_imports_controller.rb

app/controllers/admin/communication/unsplash_controller.rb

...ers/admin/communication/websites/categories_controller.rb

...trollers/admin/communication/websites/pages_controller.rb

...trollers/admin/communication/websites/posts_controller.rb

app/controllers/admin/education/programs_controller.rb

...controllers/admin/research/journals/volumes_controller.rb

app/models/concerns/with_featured_image.rb

app/views/admin/application/a11y/_status.html.erb

app/views/admin/application/featured_image/_edit.html.erb