Improve compose form performance, upgrade JS dependencies. LightingBox

...s/components/features/compose/components/compose_form.jsx

...components/features/compose/components/private_toggle.jsx

...mponents/features/compose/components/sensitive_toggle.jsx

...components/features/compose/components/spoiler_toggle.jsx

...ts/features/compose/containers/compose_form_container.jsx

.../features/compose/containers/private_toggle_container.jsx

...eatures/compose/containers/sensitive_toggle_container.jsx

.../features/compose/containers/spoiler_toggle_container.jsx

...pts/components/features/ui/containers/modal_container.jsx

app/assets/javascripts/components/reducers/compose.jsx

app/assets/javascripts/components/reducers/modal.jsx

app/assets/javascripts/components/selectors/index.jsx

package.json

yarn.lock