Fixed some basic stuff

server/src/client/command_handler/misc.cpp

@@ -2533,7 +2533,7 @@ command_result ConnectedClient::handleCommandConversationHistory(ts::Command &co
 
     auto conversation_id = command[0]["cid"].as<ChannelId>();
     /* test if we have access to the conversation */
-    {
+    if(conversation_id > 0) {
         /* test if we're able to see the channel */
         {
             shared_lock channel_view_lock(this->channel_lock);
@@ -2650,7 +2650,7 @@ command_result ConnectedClient::handleCommandConversationFetch(ts::Command &cmd)
         result_bulk["cid"] = conversation_id;
 
         /* test if we have access to the conversation */
-        {
+        if(conversation_id > 0) {
             /* test if we're able to see the channel */
             {
                 shared_lock channel_view_lock(this->channel_lock);