Trigger attachment loading when switching the card sidebar

Signed-off-by: Julius Härtl <jus@bitgrid.net>

src/components/card/AttachmentList.vue

@@ -151,9 +151,14 @@ export default {
 			}
 		},
 	},
-	created() {
+	watch: {
+		cardId: {
+			immediate: true,
+			handler() {
 				this.$store.dispatch('fetchAttachments', this.cardId)
 			},
+		},
+	},
 	methods: {
 		handleUploadFile(event) {
 			const files = event.target.files ?? []