fix sanitizer

app/models/communication/website/index_page.rb

...models/communication/website/index_page/administrators.rb

app/models/communication/website/index_page/authors.rb

...s/communication/website/index_page/communication_posts.rb

...ls/communication/website/index_page/education_programs.rb

app/models/communication/website/index_page/home.rb

app/models/communication/website/index_page/persons.rb

...els/communication/website/index_page/research_articles.rb

...dels/communication/website/index_page/research_volumes.rb

app/models/communication/website/index_page/researchers.rb

app/models/communication/website/index_page/teachers.rb

app/services/osuny/sanitizer.rb

...ge_string_to_text_in_communication_website_index_pages.rb

db/schema.rb