fix: GraphQL fragments deduplication

lib/logic/api_maps/graphql_maps/schema/backups.graphql.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'disk_volumes.graphql.dart';
 import 'package:gql/ast.dart';
 import 'package:graphql/client.dart' as graphql;
 import 'package:selfprivacy/utils/scalars.dart';

lib/logic/api_maps/graphql_maps/schema/disk_volumes.graphql

@@ -1,9 +1,3 @@
-fragment basicMutationReturnFields on MutationReturnInterface{
-  code
-  message
-  success
-}
-
 query GetServerDiskVolumes {
   storage {
     volumes {

lib/logic/api_maps/graphql_maps/schema/server_api.graphql.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'disk_volumes.graphql.dart';
 import 'package:gql/ast.dart';
 import 'package:graphql/client.dart' as graphql;
 import 'package:selfprivacy/utils/scalars.dart';

lib/logic/api_maps/graphql_maps/schema/server_settings.graphql

@@ -1,9 +1,3 @@
-fragment basicMutationReturnFields on MutationReturnInterface{
-  code
-  message
-  success
-}
-
 query SystemSettings {
   system {
     settings {

lib/logic/api_maps/graphql_maps/schema/services.graphql

@@ -1,9 +1,3 @@
-fragment basicMutationReturnFields on MutationReturnInterface{
-  code
-  message
-  success
-}
-
 query AllServices {
   services {
     allServices {

lib/logic/api_maps/graphql_maps/schema/users.graphql

@@ -1,9 +1,3 @@
-fragment basicMutationReturnFields on MutationReturnInterface{
-  code
-  message
-  success
-}
-
 fragment userFields on User{
   username
   userType

lib/logic/api_maps/graphql_maps/server_api/server_api.dart

@@ -35,7 +35,13 @@ part 'volume_api.dart';
 part 'backups_api.dart';
 
 class ServerApi extends GraphQLApiMap
-    with VolumeApi, JobsApi, ServerActionsApi, ServicesApi, UsersApi, BackupsApi {
+    with
+        VolumeApi,
+        JobsApi,
+        ServerActionsApi,
+        ServicesApi,
+        UsersApi,
+        BackupsApi {
   ServerApi({
     this.hasLogger = false,
     this.isWithToken = true,