Allows to control whether setting the dataSource enqueues an update immediately

[diegosanchezr]

This allows to make it manually and save a model update which can speed up loading the conversation.

[codecov-io]

Current coverage is 64.23%

Merging #98 into dev will increase coverage by +0.07% as of 3440354

@@              dev     #98   diff @@
=====================================
  Files          59      59       
  Stmts        3084    3090     +6
  Branches        0       0       
  Methods         0       0       
=====================================
+ Hit          1979    1985     +6
  Partial         0       0       
  Missed       1105    1105       

Review entire Coverage Diff as of 3440354

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