nx-webmail: fix hydration race and ensure continued inbox loading

nx-webmail/src/components/Webmail.jsx

@@ -381,6 +381,10 @@ export default function Webmail() {
       && baseEmailsForSync.length > 0
       && lastLoadedDirection === 'newest';
 
+    // Keep refs in sync immediately to avoid stale-closure race conditions
+    // during progressive hydration and background refresh operations.
+    activeFolderRef.current = folder;
+    activeAccountIdRef.current = accountId;
     setActiveFolder(folder);
     if (!append && !forceRefresh && cachedFolderEmails.length > 0) {
       const initial = shouldResetWindow
@@ -606,12 +610,14 @@ export default function Webmail() {
       setFolders(normalized);
       setIsLoggedIn(true);
       setIsAddingAccount(false);
+      activeAccountIdRef.current = accountId;
       setActiveAccountId(accountId);
 
       const defaultFolder = normalized.find((f) => String(f.name).toUpperCase() === String(lastFolder || '').toUpperCase())?.name
         || normalized.find((f) => String(f.name).toUpperCase() === 'INBOX')?.name
         || normalized[0]?.name
         || 'INBOX';
+      activeFolderRef.current = defaultFolder;
 
       const cachedDefaultFolderEntry = accountCache?.emailsByFolder?.[defaultFolder];
       const cachedDefaultEmails = Array.isArray(cachedDefaultFolderEntry)