Merge branch 'ph/enableVueFileListFlag' into 'master'

app/assets/javascripts/repository/components/last_commit.vue

app/assets/javascripts/repository/components/table/index.vue

app/assets/javascripts/repository/components/table/row.vue

app/assets/javascripts/repository/log_tree.js

...ets/javascripts/repository/queries/getFiles.query.graphql

...vascripts/repository/queries/pathLastCommit.query.graphql

app/graphql/types/commit_type.rb

app/graphql/types/tree/entry_type.rb

doc/api/graphql/reference/gitlab_schema.graphql

doc/api/graphql/reference/gitlab_schema.json

doc/api/graphql/reference/index.md

...projects/files/files_sort_submodules_with_folders_spec.rb

...projects/files/project_owner_creates_license_file_spec.rb

spec/features/projects/files/user_browses_files_spec.rb

spec/features/projects/files/user_browses_lfs_files_spec.rb

spec/features/projects/files/user_creates_directory_spec.rb

spec/features/projects/files/user_creates_files_spec.rb

spec/features/projects/files/user_deletes_files_spec.rb

spec/features/projects/files/user_edits_files_spec.rb

spec/features/projects/files/user_replaces_files_spec.rb