Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- Dockerfile
  Took upstream version and reverted f13ebd02c9.
  Hopefuly it's not needed anymore.
- app/controllers/api/v1/search_controller.rb
  The conflict was due to us raising the number of results returned.
  Upstream raised it further, so took it.
- config/locales/de.yml
  Took upstream changes to theme translation strings.
- config/locales/gl.yml
  Took upstream changes to theme translation strings.
- config/locales/nl.yml
  Took upstream changes to theme translation strings.
- config/locales/sk.yml
  Took upstream changes to theme translation strings.

app/helpers/jsonld_helper.rb

@@ -68,6 +68,7 @@ module JsonLdHelper
       return body_to_json(response.body_with_limit) if response.code == 200
     end
     # If request failed, retry without doing it on behalf of a user
+    return if on_behalf_of.nil?
     build_request(uri).perform do |response|
       response.code == 200 ? body_to_json(response.body_with_limit) : nil
     end

app/helpers/settings_helper.rb

@@ -29,7 +29,9 @@ module SettingsHelper
     it: 'Italiano',
     ja: '日本語',
     ka: 'ქართული',
+    kk: 'Қазақша',
     ko: '한국어',
+    lt: 'Lietuvių',
     lv: 'Latviešu',
     ml: 'മലയാളം',
     ms: 'Bahasa Melayu',