Rework of campaign structure; locking

src/layout/BreadcrumbBar.tsx

@@ -23,12 +23,12 @@ export default function BreadcrumbBar({ pathname }: { pathname: string }) {
 }
 
 const campaignRouteLabels: Record<string, string> = {
-  data: "General",
-  campaign: "General",
+  data: "Sender & Recipients",
+  campaign: "Sender & Recipients",
   settings: "Global settings",
   "global-settings": "Global settings",
   fields: "Fields",
-  recipients: "Recipients",
+  recipients: "Sender & Recipients",
   "recipient-data": "Recipient data",
   template: "Template",
   files: "Attachments",

src/layout/SectionSidebar.tsx

@@ -8,10 +8,9 @@ const campaignSubnav: ModuleSubnavGroup<CampaignWorkspaceSection>[] = [
   {
     title: "CAMPAIGN",
     items: [
-      { id: "campaign", label: "General" },
       { id: "fields", label: "Fields" },
       { id: "files", label: "Attachments" },
-      { id: "recipients", label: "Recipients" },
+      { id: "recipients", label: "Sender & Recipients" },
       { id: "recipient-data", label: "Recipient data" },
       { id: "template", label: "Template" }
     ]