Add custom metadata provider controller, update model, move to item metadata utils

client/components/app/ConfigSideNav.vue

@@ -109,11 +109,6 @@ export default {
           id: 'config-authentication',
           title: this.$strings.HeaderAuthentication,
           path: '/config/authentication'
-        },
-        {
-          id: 'config-custom-metadata-providers',
-          title: this.$strings.HeaderCustomMetadataProviders,
-          path: '/config/custom-metadata-providers'
         }
       ]
 

client/components/app/SettingsContent.vue

@@ -1,6 +1,7 @@
 <template>
   <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-4 mb-8">
     <div class="flex items-center mb-2">
+      <slot name="header-prefix"></slot>
       <h1 class="text-xl">{{ headerText }}</h1>
 
       <slot name="header-items"></slot>