unchecking "... sending data about your usage" preference on initial setup is not respected in the regular preferences

Classification: Usability

Reproducable: always

Summary: On initial setup, the user is presented with a modal window in which they are asked whether they are willing to send data about their usage. After initial setup, when that option was unchecked, the same setting is checked in the app's preferences.

Steps to Reproduce:
1) Install Source Tree for Mac
2) Uncheck the "... sending data about your usage" checkbook
3) Finish initial setup
4) cmd-, to get into preferences
5) Observe corresponding checkbox is checked

Expected Results:
Checkbox in preferences should match the user's decision during setup.
Actual Results:
The user's decision is not respected.
Regressions: unknown
Notes:
This may cause a user to trust you less...