Handle cache update when creating new metadata

In case the metadata didn't exist yet, it was never added to the meta array because the objects meta field was never updated

src/lib/graphql/mutations/MangaMutation.ts

@@ -7,22 +7,20 @@
  */
 
 import gql from 'graphql-tag';
-import { MANGA_SCREEN_FIELDS } from '@/lib/graphql/fragments/MangaFragments.ts';
+import { MANGA_META_FIELDS, MANGA_SCREEN_FIELDS } from '@/lib/graphql/fragments/MangaFragments.ts';
 
 export const DELETE_MANGA_METADATA = gql`
+    ${MANGA_META_FIELDS}
+
     mutation DELETE_MANGA_METADATA($input: DeleteMangaMetaInput!) {
         deleteMangaMeta(input: $input) {
             meta {
-                mangaId
-                key
-                value
+                ...MANGA_META_FIELDS
             }
             manga {
                 id
                 meta {
-                    mangaId
-                    key
-                    value
+                    ...MANGA_META_FIELDS
                 }
             }
         }
@@ -85,12 +83,12 @@ export const GET_MANGA_TO_MIGRATE_TO_FETCH = gql`
 `;
 
 export const SET_MANGA_METADATA = gql`
+    ${MANGA_META_FIELDS}
+
     mutation SET_MANGA_METADATA($input: SetMangaMetaInput!) {
         setMangaMeta(input: $input) {
             meta {
-                mangaId
-                key
-                value
+                ...MANGA_META_FIELDS
             }
         }
     }