text: Title: Please support callback_on_step_end for following pipelines
  Body: **Is your feature request related to a problem? Please describe.**
  Missing callback_on_step_end in these pipeline takes away the capability to show the progress in UI
  
  **Describe the solution you'd like.**
  Please support callback_on_step_end
  
  **Describe alternatives you've considered.**
  N.A.
  
  **Additional context.**
  1. AuraFlowPipeline
  TypeError: AuraFlowPipeline.__call__() got an unexpected keyword argument 'callback_on_step_end'
  
  2. LuminaText2ImgPipeline