[wf_read_QC_trim_ont] Only run tiptoft if workflow_series is theiaprok

[cimendes]

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📝 Describe the Issue

Right now tiptoft is run for every sample regardless of what workflow series is being passed to this sub-workflow.
This task, which is one of the most expensive ones to run, should only be activated of series is TheiaProk.

https://github.com/theiagen/public_health_bioinformatics/blob/main/workflows/utilities/wf_read_QC_trim_ont.wdl#L112-L116

🔁 How to Reproduce

💻 Version Information