fix: add read_only_background property to schema for themes#1184

kushalshit27 merged 1 commit intomasterauth0/auth0-deploy-cli:masterfrom

DXCDT-1285-fix-schema-validation-rejects-read-only-background-propertyauth0/auth0-deploy-cli:DXCDT-1285-fix-schema-validation-rejects-read-only-background-propertyCopy head branch name to clipboard