Change design of edit media modal in web UI (#33516)

app/javascript/mastodon/features/compose/components/compose_form.jsx

@@ -301,6 +301,7 @@ class ComposeForm extends ImmutablePureComponent {
               <div className='compose-form__submit'>
                 <Button
                   type='submit'
+                  compact
                   text={intl.formatMessage(this.props.isEditing ? messages.saveChanges : (this.props.isInReply ? messages.reply : messages.publish))}
                   disabled={!this.canSubmit()}
                 />