refactor: #845 remove destinationHost in commits

lib/modules/mr/commits/commits_model.dart

@@ -4,6 +4,7 @@ import 'package:easy_refresh/easy_refresh.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:jihu_gitlab_app/core/net/api.dart';
 import 'package:jihu_gitlab_app/core/net/http_client.dart';
+import 'package:jihu_gitlab_app/core/project_provider.dart';
 import 'package:jihu_gitlab_app/modules/mr/models/commits.dart';
 
 class CommitsModel {
@@ -38,7 +39,7 @@ class CommitsModel {
   }
 
   Future<List<Commit>> _getCommits() async {
-    var response = await HttpClient.instance().post(Api.graphql(), {
+    var response = await HttpClient.instance().post((ProjectProvider().specifiedHost == null ? '' : ProjectProvider().specifiedHost!) + Api.graphql(), {
       "query": """
       query getCommits{
         project(fullPath: "$_fullPath") {

lib/modules/mr/commits/commits_view.dart

 import 'package:easy_refresh/easy_refresh.dart';
 import 'package:flutter/material.dart';
-import 'package:jihu_gitlab_app/core/connection_provider/connection_provider.dart';
+import 'package:jihu_gitlab_app/core/domain/avatar_url.dart';
+import 'package:jihu_gitlab_app/core/project_provider.dart';
 import 'package:jihu_gitlab_app/core/widgets/avatar/avatar.dart';
 import 'package:jihu_gitlab_app/core/widgets/changeable_time.dart';
 import 'package:jihu_gitlab_app/core/widgets/tips_view.dart';
@@ -56,7 +57,7 @@ class _CommitsViewState extends State<CommitsView> with AutomaticKeepAliveClient
       child: Row(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          Avatar(avatarUrl: ConnectionProvider.currentBaseUrl.get + (commit.author?.avatarUrl ?? ''), size: 24),
+          Avatar(avatarUrl: AvatarUrl(commit.author?.avatarUrl ?? '').realUrl(ProjectProvider().specifiedHost), size: 24),
           const SizedBox(width: 8),
           Expanded(
             child: Column(