HotFix: Catch the configmap notfound and logged

[harshad16]

HotFix: Catch the configmap notfound and logged

Description

Related-to: https://issues.redhat.com/browse/RHOAIENG-4165

If the configmap is not present , it complains about:
"configMap":"odh-trusted-ca-bundle","error":"ConfigMap \"odh-trusted-ca-bundle\" not found","stacktrace":"...

How Has This Been Tested?

1. Use the PR image in deployment.
2. Create a notebook in a namespace without odh-trusted-ca-bundle configmap
3. check for the error

Merge criteria:

• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[openshift-ci]

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[harshad16]

/cherrypick stable

[openshift-cherrypick-robot]

@harshad16: new pull request created: #273

In response to this:

/cherrypick stable

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