Add additional parameters for HorizonTest

[ashu-011]

This PR adds additional paramaters to horizontest CR in order to modify the pytest command and projectname xpath based on upstream and downstream dashboard theme

[openshift-ci]

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[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/c05efe01cfd64f9d931e6a54cf494eb9

✔️ openstack-k8s-operators-content-provider SUCCESS in 2h 22m 23s
❌ podified-multinode-edpm-deployment-crc-test-operator FAILURE in 2h 09m 46s

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/192848d725a243748492a45eb0cbd1d7

✔️ openstack-k8s-operators-content-provider SUCCESS in 2h 43m 07s
❌ podified-multinode-edpm-deployment-crc-test-operator FAILURE in 2h 21m 43s

[ashu-011]

recheck

[kstrenkova]

To me, the patch seems to be working. I tried to run horizon tests and it does not create any errors. The code looks correct from the logic and structure perspective as well. After merging the change in tcib, I think this can be also merged.