Fix typos in comments and specs

.../javascripts/environments/components/environment_item.vue

...s/javascripts/filtered_search/filtered_search_dropdown.js

app/assets/javascripts/gl_field_errors.js

app/assets/javascripts/notes/components/note_awards_list.vue

app/assets/javascripts/notes/stores/collapse_utils.js

app/assets/javascripts/vue_shared/components/commit.vue

app/assets/stylesheets/framework/dropdowns.scss

app/controllers/admin/appearances_controller.rb

app/controllers/import/gitea_controller.rb

app/controllers/import/github_controller.rb

app/controllers/oauth/authorizations_controller.rb

app/controllers/projects_controller.rb

app/helpers/page_layout_helper.rb

app/models/commit_status.rb

app/models/concerns/cacheable_attributes.rb

app/models/concerns/fast_destroy_all.rb

app/models/concerns/issuable.rb

app/models/concerns/storage/legacy_namespace.rb

app/models/concerns/with_uploads.rb

app/models/namespace.rb