Use commit changes modal for upload/replace blob

app/assets/javascripts/projects/details/upload_button.vue

app/assets/javascripts/projects/upload_file.js

...s/javascripts/repository/components/blob_button_group.vue

...avascripts/repository/components/commit_changes_modal.vue

...s/javascripts/repository/components/delete_blob_modal.vue

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

...scripts/repository/components/header_area/breadcrumbs.vue

...s/javascripts/repository/components/upload_blob_modal.vue

app/assets/javascripts/repository/index.js

app/assets/javascripts/repository/init_header_app.js

app/helpers/tree_helper.rb

app/presenters/project_presenter.rb

ee/spec/frontend/repository/mock_data.js

locale/gitlab.pot

scripts/frontend/quarantined_vue3_specs.txt

spec/features/projects/files/user_replaces_files_spec.rb

spec/fixtures/sample.pdf

.../frontend/repository/components/blob_button_group_spec.js

...ontend/repository/components/commit_changes_modal_spec.js

.../frontend/repository/components/delete_blob_modal_spec.js