Update schema of DataSource in v3 YAML

[jamevaalet]

Updating the YAML v3 schema for DataSource according to below tech design

Changes

• TableId will be accepted as datasource type specific property under Parameters
• Type will now have values either Table or Actions
• Associated unit tests

Validation

• Local testing

[joem-msft]

The ConnectorId should be a required field. Using defaults that control schema type validation is not recommended for a flexible, scalable schema.