fix source string undefined in logo image

src/layouts/MainLayout.vue

@@ -3,7 +3,7 @@
     <q-header elevated>
       <q-toolbar>
         <q-img
-          v-if="localLogo !== undefined && localLogo !== 'undefined'"
+          v-if="localLogo !== undefined && localLogo !== ''"
           :src="localLogo"
           alt="Logo"
           style="width: 40px; height: 40px; background-color: var(--q-primary)"

src/localstorage/localStorage.ts

@@ -24,8 +24,13 @@ export function getLocalSettings(): Settings {
     db = databaseName.value;
   }
 
+  let iconName = localStorage.getItem('icon');
+  if (iconName === undefined || iconName === 'undefined') {
+    iconName = '';
+  }
+
   return <Settings>{
-    icon: localStorage.getItem('icon'),
+    icon: iconName,
     appName: name,
     databaseName: db,
     primaryColor: localStorage.getItem('primaryColor'),