(redo-snap-backed-graphql-8) Snaps for mode, resource, and logger; back graphql
Fixes the issue with pipeline.tags in D2314 and adds unit tests.
This adds snaps for Mode, Resource, and Loggers. Uses those
snaps to back the graphql schema
BK. View dagit pipeline viewer, config editor and execution
Reviewers: alangenfeld, sashank, themissinghlink
Reviewed By: alangenfeld
Differential Revision: https://dagster.phacility.com/D2331