Shape matching MUST work with the resolved equivalents of $refs

Closes #3515074

• In resolveSchemaReferences methods how should this MR resolve the @todo: !255 (comment 612835)
• \Drupal\canvas\JsonSchemaInterpreter\JsonSchemaType::computeStorablePropShape how to resolve @todo for number and integer?
• Need feedback on $schema['x-allowed-schemes'] ?? ['http', 'https', 'public'] changes