Changed buildId type to Int64

[ievdokdm]

Changed buildId type to Int64 to correspond with Build.id type

[jtmcdole]

fyi; integers in Firebase are strings:

{
  "name": "projects/flutter-dashboard/databases/cocoon/documents/presubmit_jobs/flutter_flutter_77007126988_Windows tool_integration_tests_10_10_1",
  "fields": {
    "end_time": {
      "integerValue": "1779299729174"
    },
    "slug": {
      "stringValue": "flutter/flutter"
    },
    "check_run_id": {
      "integerValue": "77007126988"
    },
    "creation_time": {
      "integerValue": "1779297745813"
    },
    "build_id": {
      "integerValue": "8681264797578057009"
    },
    "build_number": {
      "integerValue": "1880"
    },
    "summary": {
      "stringValue": ""
    },
    "attempt_number": {
      "integerValue": "1"
    },
    "status": {
      "stringValue": "Succeeded"
    },
    "start_time": {
      "integerValue": "0"
    },
    "job_name": {
      "stringValue": "Windows tool_integration_tests_10_10"
    }
  },
  "createTime": "2026-05-20T17:22:26.069120Z",
  "updateTime": "2026-05-20T17:55:29.733104Z"
}

[ievdokdm]

fyi; integers in Firebase are strings:

{
  "name": "projects/flutter-dashboard/databases/cocoon/documents/presubmit_jobs/flutter_flutter_77007126988_Windows tool_integration_tests_10_10_1",
  "fields": {
    "end_time": {
      "integerValue": "1779299729174"
    },
    "slug": {
      "stringValue": "flutter/flutter"
    },
    "check_run_id": {
      "integerValue": "77007126988"
    },
    "creation_time": {
      "integerValue": "1779297745813"
    },
    "build_id": {
      "integerValue": "8681264797578057009"
    },
    "build_number": {
      "integerValue": "1880"
    },
    "summary": {
      "stringValue": ""
    },
    "attempt_number": {
      "integerValue": "1"
    },
    "status": {
      "stringValue": "Succeeded"
    },
    "start_time": {
      "integerValue": "0"
    },
    "job_name": {
      "stringValue": "Windows tool_integration_tests_10_10"
    }
  },
  "createTime": "2026-05-20T17:22:26.069120Z",
  "updateTime": "2026-05-20T17:55:29.733104Z"
}

made buildId in PresubmitJobResponse of type String?

[jtmcdole]

Suggested change

	buildId: job.buildId?.toString(),
	buildId: '${job.buildId}',

[auto-submit]

autosubmit label was removed for flutter/cocoon/5054, because This PR has not met approval requirements for merging. Changes were requested by {jtmcdole}, please make the needed changes and resubmit this PR.
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