Changes to Get all collections

added com.fourthwall.openapi.model.CollectionStateV1.Private to the results/items/state response property oneOf list for the response status 200

added the non-success response with the status 429

added PRIVATE discriminator mapping keys to the results/items/state/oneOf[subschema #1: Archived]/allOf[subschema #1: Collection State] response property for the response status 200

added PRIVATE discriminator mapping keys to the results/items/state/oneOf[subschema #2: Hidden]/allOf[subschema #1: Collection State] response property for the response status 200

added PRIVATE discriminator mapping keys to the results/items/state/oneOf[subschema #3: Public -> subschema #4: Public]/allOf[subschema #1: Collection State] response property for the response status 200