Description of problem:  

Pipeline details page is broken if the newly created pipeline contains multiple taskSpecs in the yaml.

Prerequisites (if any, like setup, operators/versions): 

openshift pipelines operator

Steps to Reproduce

1. Create a pipeline with multiple taskspecs in it. taskSpecPipeline

Actual results: 

Breaks the UI with error message

Expected results: 

Should not break the UI 

Reproducibility (Always/Intermittent/Only Once): 

Always

Build Details: 

4.6