fix!: meta.icons type and schema validation (#6759)

packages/payload/src/config/schema.ts

@@ -69,15 +69,17 @@ export default joi.object({
     meta: joi.object().keys({
       defaultOGImageType: joi.string().valid('off', 'dynamic', 'static'),
       description: joi.string(),
-      icons: joi.object().keys({
-        type: joi.string(),
-        color: joi.string(),
-        fetchPriority: joi.string().valid('auto', 'high', 'low'),
-        media: joi.string(),
-        rel: joi.string(),
-        sizes: joi.string(),
-        url: joi.string(),
-      }),
+      icons: joi.array().items(
+        joi.object().keys({
+          type: joi.string(),
+          color: joi.string(),
+          fetchPriority: joi.string().valid('auto', 'high', 'low'),
+          media: joi.string(),
+          rel: joi.string(),
+          sizes: joi.string(),
+          url: joi.string(),
+        }),
+      ),
       openGraph: openGraphSchema,
       titleSuffix: joi.string(),
     }),

packages/payload/src/config/types.ts

@@ -120,7 +120,7 @@ export type MetaConfig = {
    *
    * For example browser tabs, phone home screens, and search engine results.
    */
-  icons?: IconConfig
+  icons?: IconConfig[]
   /**
    * Overrides the auto-generated <meta name="keywords"> of admin pages
    * @example `"CMS, Payload, Custom"`