MM-45193 Use context for channel logging (#20575)

api4/data_retention.go

@@ -356,7 +356,7 @@ func searchChannelsInPolicy(c *Context, w http.ResponseWriter, r *http.Request)
 		TeamIds:         props.TeamIds,
 	}
 
-	channels, _, appErr := c.App.SearchAllChannels(props.Term, opts)
+	channels, _, appErr := c.App.SearchAllChannels(c.AppContext, props.Term, opts)
 	if appErr != nil {
 		c.Err = appErr
 		return