Changes to Generate Skin Handler

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/audioFiles/items/oneOf[subschema #1: DirectUploadAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/audioFiles/items/oneOf[subschema #2: StudioAssetAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/audioFiles/items/oneOf[subschema #3: LegacyUnknownAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/models3d/items/oneOf[subschema #1: DirectUploadAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/models3d/items/oneOf[subschema #2: StudioAssetAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/models3d/items/oneOf[subschema #3: LegacyUnknownAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/referenceImages/items/oneOf[subschema #1: DirectUploadAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/referenceImages/items/oneOf[subschema #2: StudioAssetAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/referenceImages/items/oneOf[subschema #3: LegacyUnknownAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/structureFiles/items/oneOf[subschema #1: DirectUploadAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/structureFiles/items/oneOf[subschema #2: StudioAssetAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/structureFiles/items/oneOf[subschema #3: LegacyUnknownAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/textureImages/items/oneOf[subschema #1: DirectUploadAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/textureImages/items/oneOf[subschema #2: StudioAssetAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/textureImages/items/oneOf[subschema #3: LegacyUnknownAttachment]/modelKind

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/audioFiles/items/oneOf[subschema #1: DirectUploadAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/audioFiles/items/oneOf[subschema #2: StudioAssetAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/audioFiles/items/oneOf[subschema #3: LegacyUnknownAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/models3d/items/oneOf[subschema #1: DirectUploadAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/models3d/items/oneOf[subschema #2: StudioAssetAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/models3d/items/oneOf[subschema #3: LegacyUnknownAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/referenceImages/items/oneOf[subschema #1: DirectUploadAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/referenceImages/items/oneOf[subschema #2: StudioAssetAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/referenceImages/items/oneOf[subschema #3: LegacyUnknownAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/structureFiles/items/oneOf[subschema #1: DirectUploadAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/structureFiles/items/oneOf[subschema #2: StudioAssetAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/structureFiles/items/oneOf[subschema #3: LegacyUnknownAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/textureImages/items/oneOf[subschema #1: DirectUploadAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/textureImages/items/oneOf[subschema #2: StudioAssetAttachment]/blockFaceGroups

added the new optional request property attachments/anyOf[subschema #1: GenerationAttachmentGroups]/textureImages/items/oneOf[subschema #3: LegacyUnknownAttachment]/blockFaceGroups

removed the request property reference_images