[BUG] BotKube redundant error messages when deployed in multicluster

[PrasadG193]

Describe the bug
When BotKube is deployed in multiple cluster with settings.allowkubectl:false set in the config, it returns redundant error messages when BotKube commands are executed.

Sample messages (provided by an user on BotKube slack)

Sorry, the admin hasn't given me the permission to execute kubectl command on cluster 'cluster-0hyv0'.
Sorry, the admin hasn't given me the permission to execute kubectl command on cluster 'cluster-0253f'.
Sorry, the admin hasn't given me the permission to execute kubectl command on cluster 'cluster-6toxk'.
Sorry, the admin hasn't given me the permission to execute kubectl command on cluster 'cluster-08cka'.
Cluster: cluster-mx8ae
No resources found in default namespace.

To Reproduce
Steps to reproduce the behavior:

1. Deploy BotKube on multiple clusters with the same token
2. Execute @BotKube get pods command

Expected behavior
BotKube should get response only from the cluster which is configured for the channel or whose name is passed with --cluster-name flag

[mbtamuli]

I would like to work on this issue.

[mbtamuli]

I'm not able to work on this for now. If no one takes this up, I'll look at it again.

[PrasadG193]

Fixed with #243