Allow schema labels to be the same as display names

[andrewelamb]

Is your feature request related to a problem? Please describe. When converting a schema.csv to jsonld, I would like the option to have the labels be the same as the names in the schema csv for both component names and attributes.

Describe the solution you'd like schematic schema convert CLI should have an option for preserving the names in the schema.csv

How important is this feature? Select from the options below: • 🌗 Medium - can do work without it; but it's important (e.g. to save time or for convenience)

When will use cases depending on this become relevant? Select from the options below: • Short-term - 2-4 weeks

[mialy-defelice]

Acceptance Criteria:

• User can set a flag to use display names as schema labels in their model.
• Schema labeling should not interfere with submission and validation of the model.
• Check that manifests look as anticipated.

Confirm the following:

• [x] Can convert model (Example, HTAN, iAtlas)
• [x] Manifests use schema label
• [x] Download manifest from synapse
• [x] Submit manifest
• [x] Validate manifest
• [x] Confirm API endpoint (find_class_specific_properties) works

[mialy-defelice]

Related to #1166

[milen-sage]

There is a fix in schematic_db to avoid schema labels.