gofmt: 清理 admin/executor 测试文件的对齐空格

这两个文件在 HEAD 上就未通过 gofmt, 但 go test 不检查 gofmt,
所以一直没暴露. 修一下让 gofmt -l . 干净, 否则新加的 commit
之前都得先 stash.

纯格式变更, 无逻辑变化.

Co-Authored-By: Claude <noreply@anthropic.com>

internal/admin/router_test.go

@@ -54,20 +54,20 @@ func doReq(t *testing.T, r *gin.Engine, method, path, token string, body any) *h
 
 func fullClusterMap(id string) map[string]any {
 	return map[string]any{
-		"id":                        id,
-		"name":                      id + "-name",
-		"rm_url":                    "http://rm.example.com:8088",
-		"shs_url":                   "http://shs.example.com:18080",
-		"spark_submit_execute_bin":  "/usr/bin/spark-submit",
-		"is_active":                 true,
-		"auth_type":                 "basic",
-		"auth_username":             "admin",
-		"auth_password":             "real-secret",
-		"ssl_verify":                false,
-		"ssl_ca_bundle":             "",
-		"url_allowlist":             []string{"*.example.com"},
-		"default_submit_args":       []string{"--master", "yarn"},
-		"rate_limit_per_min":        10,
+		"id":                       id,
+		"name":                     id + "-name",
+		"rm_url":                   "http://rm.example.com:8088",
+		"shs_url":                  "http://shs.example.com:18080",
+		"spark_submit_execute_bin": "/usr/bin/spark-submit",
+		"is_active":                true,
+		"auth_type":                "basic",
+		"auth_username":            "admin",
+		"auth_password":            "real-secret",
+		"ssl_verify":               false,
+		"ssl_ca_bundle":            "",
+		"url_allowlist":            []string{"*.example.com"},
+		"default_submit_args":      []string{"--master", "yarn"},
+		"rate_limit_per_min":       10,
 	}
 }