fix: remove settings, too, when deleting an identity

src/views/IdentitySwitcherView.vue

@@ -306,6 +306,7 @@ export default class IdentitySwitcherView extends Vue {
       }
 
       await this.$exec("DELETE FROM accounts WHERE id = ?", [id]);
+      await this.$exec("DELETE FROM settings WHERE accountDid = ?", [accountDid]);
     });
 
     // Update UI