[#933] Update sync logic

[navins94]

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• To see the specific tasks where the Asana app for GitHub is being used, see below:
  • https://app.asana.com/0/0/1206349559937336

[dedenbangkit]

It still didn't worked for me. To replicate:

• Change the sync to 10 seconds from settings page
• Fill questionnaire
• Submit
• Result: The data is not synced in 10 seconds.

Another bugs, to replicate:

• Same step as above.
• Result: see the screenshot
  
  

[coveralls]

coverage: 81.757% (+0.05%) from 81.711%
when pulling 8d9dc61 on feature/933-fix-sync-interval
into 9ba7de0 on develop.