Bugfix: conflicting File object with native JS

Cleanup: Stores and tooltips

dev/Stores/User/Sieve.js

@@ -1,12 +1,8 @@
 import ko from 'ko';
 
-class SieveUserStore {
-	constructor() {
-		// capabilities
-		this.capa = ko.observableArray();
-		// Sieve scripts SieveScriptModel
-		this.scripts = ko.observableArray();
-	}
+export const SieveUserStore = {
+	// capabilities
+	capa: ko.observableArray(),
+	// Sieve scripts SieveScriptModel
+	scripts: ko.observableArray()
 }
-
-export default new SieveUserStore();