Fix attachments being added mutliple times

src/store/modules/attachments.js

@@ -7,15 +7,18 @@ export default {
 	}),
 	mutations: {
 		set(state, attachments) {
+			console.debug('Set attachments', attachments)
 			Vue.set(state, 'attachments', attachments)
 		},
 		add(state, attachment) {
+			console.debug('Add attachement', attachment)
 			state.attachments.push(attachment)
 		},
 		removeById(state, id) {
 			for (const a in state.attachments) {
 				if (state.attachments[a].id === id) {
 					state.attachments.splice(a, 1)
+					console.debug('Remove attachement', id)
 					break
 				}
 			}