Pair the bulk pay policy with the report it belongs to

Resolve currentSelectedPolicyID from the report currentSelectedReportID points at
instead of taking the first entry of the independently ordered selectedPolicyIDs
array, so a cross-workspace selection can't route KYC and the add-bank-account
flow to a different workspace than the report being paid.

Co-authored-by: huult <huult@users.noreply.github.com>

Author: MelvinBot

src/components/Search/SearchBulkActionsButton.tsx

@@ -104,10 +104,19 @@ function SearchBulkActionsButton({queryJSON}: SearchBulkActionsButtonProps) {
         allReports,
         searchData,
     } = useSearchBulkActions({queryJSON});
-    const currentSelectedPolicyID = selectedPolicyIDs?.at(0);
     const currentSelectedReportID = selectedTransactionReportIDs?.at(0) ?? selectedReportIDs?.at(0);
-    const currentPolicy = usePolicy(currentSelectedPolicyID);
     const [selectedIOUReport] = useOnyx(`${ONYXKEYS.COLLECTION.REPORT}${currentSelectedReportID}`);
+    // Resolve the policy from the report that is actually being paid. selectedPolicyIDs is ordered and filtered
+    // independently of currentSelectedReportID, so on a selection spanning workspaces its first entry can belong to a
+    // different workspace than this report, which would send the KYC wall and the add-bank-account flow to the wrong
+    // workspace. Fall back to the first selected policy only when the report itself yields nothing.
+    const currentSelectedPolicyID =
+        selectedIOUReport?.policyID ??
+        searchData?.[`${ONYXKEYS.COLLECTION.REPORT}${currentSelectedReportID}`]?.policyID ??
+        selectedReports.find((report) => report.reportID === currentSelectedReportID)?.policyID ??
+        Object.values(selectedTransactions).find((transaction) => transaction.reportID === currentSelectedReportID)?.policyID ??
+        selectedPolicyIDs?.at(0);
+    const currentPolicy = usePolicy(currentSelectedPolicyID);
     const isCurrentSelectedExpenseReport = isExpenseReport(currentSelectedReportID);
     const pendingPaymentAdditionalDataRef = useRef<BulkPaySelectionData | undefined>(undefined);