fix: setting background to state mutation violation (#858)

State mutations must be synchronous. Using a promise.then handler to set the background is a violation of that.

Co-authored-by: kolaente <k@knt.li>
Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/858
Co-authored-by: konrad <k@knt.li>
Co-committed-by: konrad <k@knt.li>

src/components/home/contentAuth.vue

@@ -86,7 +86,7 @@ export default {
 				this.$route.name === 'user.settings' ||
 				this.$route.name === 'namespaces.index'
 			) {
-				this.$store.commit(CURRENT_LIST, null)
+				return this.$store.dispatch(CURRENT_LIST, null)
 			}
 		},
 		renewTokenOnFocus() {