Move sync code from step result to lightning module [6/n]

[carmocca]

What does this PR do?

• Group sync code into function
• Move it out to the LightningModule so we avoid passing all the sync arguments.

Part of #7183

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[codecov]

Codecov Report

Merging #7651 (637fc3f) into master (110e49d) will increase coverage by 0%.
The diff coverage is 94%.

@@          Coverage Diff           @@
##           master   #7651   +/-   ##
======================================
  Coverage      92%     92%           
======================================
  Files         198     198           
  Lines       12809   12842   +33     
======================================
+ Hits        11810   11842   +32     
- Misses        999    1000    +1     

[ananthsub]

why not move this out of the LighningModule completely to a utilities file?

[carmocca]

Do you think other places might use it?
Do you have an idea of where it would fit better?

[ananthsub]

I think it could be part of #7534

But this is definitely not a blocker for this refactoring

[carmocca]

Sure, feel free to include it when that's done

[tchaton]

LGTM !