Add Dag Audit Log to React

[bbovenzi]

Continue modernizing the UI. Use the REST API show the Audit Log for a DAG in react.

The Audit Log shows up as a tab for every selection (dag, dag run, task, task instance). And we try to filter the Audit Log accordingly, within the limitations we have at least.

Run ID isn't recorded and execution date is not currently a parameter (nor do we always record the execution date or map index anyway). So instead when there is a dag run, we filter the before/after dates to the queued at and last scheduling decision dates.

Also cleaned up the logic of what tabs to default to when changing selection.

Task Instance Selected (filtered by before, after and task id)

Task is selected (filtered by task id)

Nothing selected (only filtered by dag id)

Dag Run selected (filtered by before and after)

ToDo in later PRs:

• Remove old DAG Audit Log page
• Allow user to edit filters directly instead of via task selection and add more filters
• Allow multiple task ids as a parameter (can filter by task group)

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[hussein-awala]

Nice one! LGTM