Add unit tests: only submitter can see Submit button

Add two tests verifying that managers and admins no longer see the
Submit action on open expense reports — only the report submitter does.

Co-authored-by: {"message":"Not Found","documentation_url":"https://docs.github.com/rest/issues/comments#get-an-issue-comment","status":"404"} <{"message":"Not Found","documentation_url":"https://docs.github.com/rest/issues/comments#get-an-issue-comment","status":"404"}@users.noreply.github.com>

Author: MelvinBot

tests/actions/ReportPreviewActionUtilsTest.ts

@@ -130,6 +130,97 @@ describe('getReportPreviewAction', () => {
         ).toBe(CONST.REPORT.REPORT_PREVIEW_ACTIONS.SUBMIT);
     });
 
+    it('canSubmit should return false for manager who is not the submitter', async () => {
+        const MANAGER_ACCOUNT_ID = 2;
+        const MANAGER_EMAIL = 'manager@mail.com';
+        const report: Report = {
+            ...createRandomReport(REPORT_ID, undefined),
+            type: CONST.REPORT.TYPE.EXPENSE,
+            ownerAccountID: CURRENT_USER_ACCOUNT_ID,
+            managerID: MANAGER_ACCOUNT_ID,
+            stateNum: CONST.REPORT.STATE_NUM.OPEN,
+            statusNum: CONST.REPORT.STATUS_NUM.OPEN,
+            isWaitingOnBankAccount: false,
+        };
+
+        const policy = createRandomPolicy(0);
+        policy.autoReportingFrequency = CONST.POLICY.AUTO_REPORTING_FREQUENCIES.IMMEDIATE;
+        policy.type = CONST.POLICY.TYPE.CORPORATE;
+        if (policy.harvesting) {
+            policy.harvesting.enabled = false;
+        }
+        await Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT}${REPORT_ID}`, report);
+        await Onyx.merge(ONYXKEYS.SESSION, {email: MANAGER_EMAIL, accountID: MANAGER_ACCOUNT_ID});
+        const transaction = {
+            reportID: `${REPORT_ID}`,
+            amount: 100,
+            merchant: 'Test Merchant',
+            created: '2025-01-01',
+        } as unknown as Transaction;
+
+        const {result: isReportArchived} = renderHook(() => useReportIsArchived(report?.parentReportID));
+        await waitForBatchedUpdatesWithAct();
+
+        expect(
+            getReportPreviewAction({
+                isReportArchived: isReportArchived.current,
+                currentUserAccountID: MANAGER_ACCOUNT_ID,
+                currentUserLogin: MANAGER_EMAIL,
+                report,
+                policy,
+                transactions: [transaction],
+                bankAccountList: {},
+                reportMetadata: undefined,
+            }),
+        ).not.toBe(CONST.REPORT.REPORT_PREVIEW_ACTIONS.SUBMIT);
+    });
+
+    it('canSubmit should return false for admin who is not the submitter', async () => {
+        const ADMIN_ACCOUNT_ID = 3;
+        const ADMIN_EMAIL = 'admin@mail.com';
+        const report: Report = {
+            ...createRandomReport(REPORT_ID, undefined),
+            type: CONST.REPORT.TYPE.EXPENSE,
+            ownerAccountID: CURRENT_USER_ACCOUNT_ID,
+            managerID: 2,
+            stateNum: CONST.REPORT.STATE_NUM.OPEN,
+            statusNum: CONST.REPORT.STATUS_NUM.OPEN,
+            isWaitingOnBankAccount: false,
+        };
+
+        const policy = createRandomPolicy(0);
+        policy.autoReportingFrequency = CONST.POLICY.AUTO_REPORTING_FREQUENCIES.IMMEDIATE;
+        policy.type = CONST.POLICY.TYPE.CORPORATE;
+        policy.role = CONST.POLICY.ROLE.ADMIN;
+        if (policy.harvesting) {
+            policy.harvesting.enabled = false;
+        }
+        await Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT}${REPORT_ID}`, report);
+        await Onyx.merge(ONYXKEYS.SESSION, {email: ADMIN_EMAIL, accountID: ADMIN_ACCOUNT_ID});
+        const transaction = {
+            reportID: `${REPORT_ID}`,
+            amount: 100,
+            merchant: 'Test Merchant',
+            created: '2025-01-01',
+        } as unknown as Transaction;
+
+        const {result: isReportArchived} = renderHook(() => useReportIsArchived(report?.parentReportID));
+        await waitForBatchedUpdatesWithAct();
+
+        expect(
+            getReportPreviewAction({
+                isReportArchived: isReportArchived.current,
+                currentUserAccountID: ADMIN_ACCOUNT_ID,
+                currentUserLogin: ADMIN_EMAIL,
+                report,
+                policy,
+                transactions: [transaction],
+                bankAccountList: {},
+                reportMetadata: undefined,
+            }),
+        ).not.toBe(CONST.REPORT.REPORT_PREVIEW_ACTIONS.SUBMIT);
+    });
+
     it('canSubmit should return true for open report in instant submit policy with no approvers', async () => {
         const report: Report = {
             ...createRandomReport(REPORT_ID, undefined),