feat: add app_banned and has_unread properties to ChannelFilters (#1649)

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- [YES] Code changes are tested

## Description of the changes, What, Why and How?
- The QueryChannels filter currently supports `app_banned` in the
filter: https://getstream.io/chat/docs/javascript/query_channels/
 - But this is not included in the Filter types, causing TS error
<img width="1142" height="403" alt="Screenshot 2025-11-07 at 10 47 30"
src="https://github.com/user-attachments/assets/19874bf5-01d4-47b9-9ad8-908f317df06b"
/>
- Add `app_banned` type to the Channel Filter types


## Changelog
-

---------

Co-authored-by: subash pradhan <[email protected]>

Author: SubashPradhan

src/types.ts

@@ -1753,6 +1753,8 @@ export type ReactionFilters = QueryFilters<
 
 export type ChannelFilters = QueryFilters<
   ContainsOperator<Omit<CustomChannelData, 'name'>> & {
+    app_banned?: 'only' | 'excluded';
+    has_unread?: boolean;
     archived?: boolean;
     'member.user.name'?:
       | RequireOnlyOne<{