fix booleans

js/app.js

@@ -116,6 +116,7 @@ const TimeTrack = {
             this.dontShowMinutes = (storedDontShowMinutes == null || storedDontShowMinutes === 'false') ? false : Boolean(storedDontShowMinutes);
 
             let storedPublicDB = localStorage.getItem('publicDB');
+            storedPublicDB = storedPublicDB === 'true';
             this.publicDB = (storedPublicDB == null || storedPublicDB === 'false') ? false : storedPublicDB;
 
             let storedTheme = localStorage.getItem('theme');