feat: make auto dark theme available for free users

apps/mobile/src/components/premium/features.js

@@ -207,17 +207,19 @@ export const features = [
   {
     title: 'Personalize & make Notesnook your own',
     detail: 'Change app themes to match your style. Custom themes are coming soon.',
-    pro: true,
+
     features: [
       {
         highlight: 'Automatic',
         content: 'dark mode',
-        icon: 'theme-light-dark'
+        icon: 'theme-light-dark',
+        pro: false
       },
       {
         highlight: 'Change accent',
         content: 'color',
-        icon: 'invert-colors'
+        icon: 'invert-colors',
+        pro: true
       }
     ]
   }

apps/mobile/src/screens/settings/appearance.js

@@ -35,7 +35,6 @@ const SettingsAppearanceSection = () => {
     if (SettingsService.get().useSystemTheme) {
       await SettingsService.set({ useSystemTheme: false });
     } else {
-      if (!PremiumService.get()) return;
       await SettingsService.set({
         useSystemTheme: !SettingsService.get().useSystemTheme,
         theme: {