fix(ssr): provide getServerSnapshot for external-store hooks and stabilize dialog manager lifecycle

Author: MartinCupela

src/components/ChannelList/hooks/useSelectedChannelState.ts

@@ -45,5 +45,5 @@ export function useSelectedChannelState<O>({
     return selector(channel);
   }, [channel, selector]);
 
-  return useSyncExternalStore(subscribe, getSnapshot);
+  return useSyncExternalStore(subscribe, getSnapshot, getSnapshot);
 }

src/store/hooks/useStateStore.ts

@@ -59,7 +59,11 @@ export function useStateStore<
     };
   }, [store, selector]);
 
-  const state = useSyncExternalStore(wrappedSubscription, wrappedSnapshot);
+  const state = useSyncExternalStore(
+    wrappedSubscription,
+    wrappedSnapshot,
+    wrappedSnapshot,
+  );
 
   return state;
 }