feat: do not delete the active channel if offlineMode is true (#1116)

* fix: do not delete active channels when offlineMode is true

* fix: set offlineMode to false when an explicit call to channel.query is done

src/channel.ts

@@ -1036,6 +1036,7 @@ export class Channel<StreamChatGenerics extends ExtendableGenerics = DefaultGene
     const { messageSet } = this._initializeState(state, messageSetToAddToIfDoesNotExist);
 
     this.data = state.channel;
+    this.offlineMode = false;
 
     this.getClient().dispatchEvent({
       type: 'channels.queried',

src/client.ts

@@ -1572,17 +1572,6 @@ export class StreamChat<StreamChatGenerics extends ExtendableGenerics = DefaultG
       channels.push(c);
     }
 
-    if (!offlineMode) {
-      // If the channels are coming from server, then clear out the
-      // previously help offline channels.
-      for (const key in this.activeChannels) {
-        const channel = this.activeChannels[key];
-        if (channel.offlineMode) {
-          delete this.activeChannels[key];
-        }
-      }
-    }
-
     return channels;
   }