fix: 将分支参数从 extra 移到 repo.branch，并删除未使用的 generate-doc-dialog 组件

Co-authored-by: monkeycode-ai <monkeycode-ai@chaitin.com>

Author: safe1ine

frontend/src/components/console/project/generate-doc-dialog.tsx

@@ -102,14 +102,16 @@ export default function StartDevelopTaskDialog({
       model_id: selectModel(models, false),
       image_id: selectImage(images, false),
       host_id: selectHost(hosts, false),
+      repo: {
+        branch: project?.platform === ConstsGitPlatform.GitPlatformInternal ? '' : selectedBranch,
+      },
       resource: {
         core: 2,
         memory: 8 * 1024 * 1024 * 1024,
         life: 2 * 60 * 60,
       },
       extra: {
         project_id: project?.id,
-        branch: project?.platform === ConstsGitPlatform.GitPlatformInternal ? '' : selectedBranch,
       },
       task_type: ConstsTaskType.TaskTypeDevelop,
     }, [], (resp) => {