Return hideViewerCount in config and set the admin switch correctly. Closes #2887

controllers/config.go

@@ -35,6 +35,7 @@ type webConfigResponse struct {
 	Federation           federationConfigResponse     `json:"federation"`
 	Notifications        notificationsConfigResponse  `json:"notifications"`
 	Authentication       authenticationConfigResponse `json:"authentication"`
+	HideViewerCount      bool                         `json:"hideViewerCount"`
 }
 
 type federationConfigResponse struct {
@@ -135,6 +136,7 @@ func getConfigResponse() webConfigResponse {
 		Notifications:        notificationsResponse,
 		Authentication:       authenticationResponse,
 		AppearanceVariables:  data.GetCustomColorVariableValues(),
+		HideViewerCount:      data.GetHideViewerCount(),
 	}
 }
 

web/components/admin/config/general/EditInstanceDetails.tsx

@@ -29,13 +29,14 @@ export default function EditInstanceDetails() {
   const serverStatusData = useContext(ServerStatusContext);
   const { serverConfig } = serverStatusData || {};
 
-  const { instanceDetails, yp } = serverConfig;
+  const { instanceDetails, yp, hideViewerCount } = serverConfig;
   const { instanceUrl } = yp;
 
   useEffect(() => {
     setFormDataValues({
       ...instanceDetails,
       ...yp,
+      hideViewerCount,
     });
   }, [instanceDetails, yp]);