Merge pull request Expensify#78977 from dmkt9/fix/74125b

Fix/74125 - Details report page is not scrollable

Author: Valforte

src/pages/home/ReportScreen.tsx

@@ -591,7 +591,15 @@ function ReportScreen({route, navigation, isInSidePanel = false}: ReportScreenPr
 
     const prevTransactionThreadReportID = usePrevious(transactionThreadReportID);
     useEffect(() => {
-        if (!!prevTransactionThreadReportID || !transactionThreadReportID) {
+        // If transactionThreadReportID is undefined or CONST.FAKE_REPORT_ID, we do not call fetchReport.
+        // Only when transactionThreadReportID changes to a valid value, the fetchReport will be called to fetch the data again for the current report.
+        // Since fetchReport is always called once when opening a report,
+        // if that initial call is used to create a transactionThreadReport,
+        // then fetchReport needs to be called again after the transactionThreadReport has been fully created.
+        const prevTransactionThreadReportIDWasValid = !!prevTransactionThreadReportID && prevTransactionThreadReportID !== CONST.FAKE_REPORT_ID;
+        const transactionThreadReportIDUpdatedFromValidToFake = transactionThreadReportID === CONST.FAKE_REPORT_ID && !!prevTransactionThreadReportID;
+
+        if (prevTransactionThreadReportIDWasValid || !transactionThreadReportID || transactionThreadReportIDUpdatedFromValidToFake) {
             return;
         }