Making upload button into a smaller icon button

app/assets/javascripts/components/actions/follow.jsx

...ponents/features/compose/components/character_counter.jsx

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

...scripts/components/features/compose/components/drawer.jsx

...components/features/compose/components/navigation_bar.jsx

...omponents/features/compose/components/reply_indicator.jsx

.../components/features/compose/components/upload_button.jsx

...ts/components/features/compose/components/upload_form.jsx

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

...ents/features/compose/containers/navigation_container.jsx

...s/features/compose/containers/upload_button_container.jsx

...nts/features/compose/containers/upload_form_container.jsx

app/assets/javascripts/components/features/compose/index.jsx

...scripts/components/features/ui/components/follow_form.jsx

...mponents/features/ui/containers/follow_form_container.jsx

...mponents/features/ui/containers/upload_form_container.jsx

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

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