web: indicate to the user when a channel is enabled but not primary

Author: hnez

web/src/TacComponents.tsx

@@ -125,6 +125,7 @@ type Channel = {
   url: string;
   polling_interval?: Duration;
   enabled: boolean;
+  primary: boolean;
   bundle?: UpstreamBundle;
 };
 
@@ -379,6 +380,10 @@ export function UpdateChannels(props: UpdateChannelsProps) {
               return "Not enabled";
             }
 
+            if (!e.primary) {
+              return "Not primary";
+            }
+
             if (!e.bundle) {
               if (enable_polling) {
                 return <Spinner />;