Update spec to use shallowMount

What does this MR do and why?

Using shallowMount reduces resources needed, but passing the stub is necessary to avoid warnings in tests. Follow up from !149708 (comment 1875213230)

assigned to @eduardobonet

changed milestone to %17.0

Hi @zcuddy , could you maintain this small MR which is a follow up on your comment?

added Category:MLOps Model Registry groupmlops typemaintenance labels

requested review from @zcuddy

added devopsmodelops sectiondata-science labels

added frontend label

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mentioned in merge request !149829 (merged)

approved this merge request

added pipeline:mr-approved label

@zcuddy, thanks for approving this merge request.

This is the first time the merge request has been approved. To ensure we don't only run predictive pipelines, and we don't break master, a new pipeline will be started shortly.

Please wait for the pipeline to start before resolving this discussion and set auto-merge for the new pipeline. See merging a merge request for more details.

resolved all threads

enabled an automatic merge when the pipeline for c138f0d4 succeeds

merged

mentioned in commit 1b3c84b4

added workflowstaging-canary label

added workflowcanary label and removed workflowstaging-canary label

added workflowstaging label and removed workflowcanary label

added workflowproduction label and removed workflowstaging label