Fix reload behaviour; don't override global with empty local value

src/features/campaigns/MailSettingsPage.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useRef, useState } from "react";
+import { useEffect, useState } from "react";
 import type { ApiSettings } from "../../types";
 import Button from "../../components/Button";
 import Card from "../../components/Card";
@@ -24,7 +24,6 @@ export default function MailSettingsPage({ settings, campaignId }: { settings: A
   const [imapTestResult, setImapTestResult] = useState<MailConnectionTestResponse | null>(null);
   const [folderResult, setFolderResult] = useState<MailImapFolderListResponse | null>(null);
   const [mailActionState, setMailActionState] = useState<"smtp" | "imap" | "folders" | null>(null);
-  const loadedVersionId = useRef<string | null>(null);
 
   const version = data.currentVersion;
   const locked = isAuditLockedVersion(version);
@@ -38,8 +37,6 @@ export default function MailSettingsPage({ settings, campaignId }: { settings: A
 
   useEffect(() => {
     if (!version) return;
-    if (loadedVersionId.current === version.id) return;
-    loadedVersionId.current = version.id;
     setDraft(ensureCampaignDraft(version));
     setDirty(false);
     setSaveState(version.autosaved_at ? `Loaded saved draft ${formatDateTime(version.autosaved_at)}` : "Loaded");