Properly propagate runtime when submitting notebook

[lresende]

Fixes #1300

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[lresende]

One thing that we might need to discuss is the name mismatches between the frontend and backend.

We introduced runtime platform on the UI while all the other places are considering it runtime. Should we use runtime throughout the code?

[karlaspuldaro]

I was able to successfully run it on airflow, but not on kfp, this is the error I get:

Error making request
Error compiling pipeline hello-world-0218163946 for engine None at /var/folders/gz/byw9z3gn1wvddrp1_gt6cg140000gn/T/tmp8k8wzae2/hello-world-0218163946.tar.gz

Even after selecting a pipeline engine on my kfp runtime config, I still get the same type of error.

[ptitzler]

I was able to successfully run it on airflow, but not on kfp, this is the error I get:

Error making request
Error compiling pipeline hello-world-0218163946 for engine None at /var/folders/gz/byw9z3gn1wvddrp1_gt6cg140000gn/T/tmp8k8wzae2/hello-world-0218163946.tar.gz

Even after selecting a pipeline engine on my kfp runtime config, I still get the same type of error.

What's in the console log?

[ptitzler]

Worked for both runtimes without any issues in my environment.