[disablebot] Fix aggregate issues getting auto closed (#6860)

The deduper was closing them automatically, ex the action right above
this comment:
pytorch/pytorch#157070 (comment)

Author: clee2000

torchci/pages/api/flaky-tests/disable.ts

@@ -221,7 +221,7 @@ async function dedupFlakyTestIssues(
 
   // Close the issues that aren't favored
   const dedupedArrayNumbers = dedupedArray.map((i) => i.number);
-  for (const issue of issues) {
+  for (const issue of singleIssues) {
     if (!dedupedArrayNumbers.includes(issue.number) && issue.state === "open") {
       await octokit.rest.issues.update({
         owner: PYTORCH,

torchci/test/flakyBotTests/flakyBotUtils.test.ts

@@ -1,3 +1,4 @@
+import { MASS_FLAKY_TEST_ISSUE_LABEL } from "lib/flakyBot/aggregateDisableIssue";
 import * as flakyBotUtils from "lib/flakyBot/utils";
 import { IssueData } from "lib/types";
 import nock from "nock";
@@ -379,4 +380,48 @@ describe("Disable Flaky Test Bot Utils Unit Tests", () => {
     await helper([closedSmall, closedBig], closedBig, []);
     await helper([closedSmall, openSmall], openSmall, []);
   });
+
+  test("dedupFlakyTestIssues does not touch aggregate issues", async () => {
+    const singleIssueToBeClosed: IssueData = {
+      number: 1,
+      title: "",
+      html_url: "",
+      state: "open",
+      body: "",
+      updated_at: "",
+      author_association: "MEMBER",
+      labels: [],
+    };
+
+    const singleIssue: IssueData = {
+      ...singleIssueToBeClosed,
+      number: 2,
+    };
+
+    const aggregateIssue: IssueData = {
+      ...singleIssueToBeClosed,
+      labels: [MASS_FLAKY_TEST_ISSUE_LABEL],
+    };
+
+    // sanity check that it does get closed if its a single issue
+    const scope = nock("https://api.github.com");
+    scope
+      .patch(`/repos/pytorch/pytorch/issues/${singleIssueToBeClosed.number}`)
+      .reply(200);
+    expect(
+      await flakyBot.dedupFlakyTestIssues(octokit, [
+        singleIssueToBeClosed,
+        singleIssue,
+      ])
+    ).toEqual([singleIssue]);
+    scope.done();
+
+    // Should not make any API calls either
+    expect(
+      await flakyBot.dedupFlakyTestIssues(octokit, [
+        aggregateIssue,
+        singleIssue,
+      ])
+    ).toEqual([singleIssue, aggregateIssue]);
+  });
 });