Update LandingService and Config util to properly support the legal_notice setting

app/Services/LandingService.php

@@ -52,7 +52,7 @@ class LandingService
             'domain' => config('pixelfed.domain.app'),
             'show_directory' => (bool) config_cache('instance.landing.show_directory'),
             'show_explore_feed' => (bool) config_cache('instance.landing.show_explore'),
-            'show_legal_notice_link' => (bool) config_cache('instance.has_legal_notice'),
+            'show_legal_notice_link' => (bool) config('instance.has_legal_notice'),
             'open_registration' => (bool) $openReg,
             'curated_onboarding' => (bool) config_cache('instance.curated_registration.enabled'),
             'version' => config('pixelfed.version'),

app/Util/Site/Config.php

@@ -29,7 +29,7 @@ class Config
             return [
                 'version' => config('pixelfed.version'),
                 'open_registration' => (bool) config_cache('pixelfed.open_registration'),
-                'show_legal_notice_link' => (bool) config_cache('instance.has_legal_notice'),
+                'show_legal_notice_link' => (bool) config('instance.has_legal_notice'),
                 'uploader' => [
                     'max_photo_size' => (int) config_cache('pixelfed.max_photo_size'),
                     'max_caption_length' => (int) config_cache('pixelfed.max_caption_length'),