Generated code doesn't build if operationId contains spaces

[christianhelle]

The generated code for OpenAPI specs where the operationId contains spaces, doesn't build

OpenAPI Specifications

openapi: '3.0.0'
paths:
  /jobs/{job-id}:
    get:
      tags:
      - 'Jobs'
      operationId: 'Get job details'
      description: 'Get the details of the specified job.'
      parameters:
        - in: 'path'
          name: 'job-id'
          description: 'Job ID'
          required: true
          schema:
            type: 'string'
      responses:
        '200':
          description: 'successful operation'