新增：返回branch_id保存

app/services/api/v1/projects/sync_repositories/create_service.rb

@@ -58,8 +58,8 @@ class Api::V1::Projects::SyncRepositories::CreateService < ApplicationService
   def create_sync_repository_branch 
     branch1 = Reposync::CreateSyncBranchService.call(repo_name(1),gitlink_branch_name, external_branch_name)
     branch2 = Reposync::CreateSyncBranchService.call(repo_name(2),gitlink_branch_name, external_branch_name)
-    @sync_repository_branch1 = SyncRepositoryBranch.create!(sync_repository: @sync_repository1, gitlink_branch_name: gitlink_branch_name, external_branch_name: external_branch_name )
-    @sync_repository_branch2 = SyncRepositoryBranch.create!(sync_repository: @sync_repository2, gitlink_branch_name: gitlink_branch_name, external_branch_name: external_branch_name)
+    @sync_repository_branch1 = SyncRepositoryBranch.create!(sync_repository: @sync_repository1, gitlink_branch_name: gitlink_branch_name, external_branch_name: external_branch_name, reposync_branch_id: branch1[1]["id"])
+    @sync_repository_branch2 = SyncRepositoryBranch.create!(sync_repository: @sync_repository2, gitlink_branch_name: gitlink_branch_name, external_branch_name: external_branch_name, reposync_branch_id: branch2[1]["id"])
   end
 
   def touch_first_sync