User tours for messaging and Dashboard

1. Run upgrade
2. Navigate to Site administration => Appearance => User tours
   1. Confirm that both Boost tours are disabled
   2. Confirm that the new 3.6 tours are at the top of the list
3. Open both of the new 3.6 tours and confirm:
   1. All steps have readable strings for both the title and content in the summary

Tour test

These tests need repeating in both Clean and Boost. Please take note that the same steps are shown and are shown in the same places in each.

1. Navigate to the Dashboard
2. Walk through all steps in the tour in the footer (you may have to reset the tour if you already ended it)
   1. Confirm that each step made sense and was a proper sentence
3. Navigate to a Course page for any course
   1. Confirm that the messaging tour is shown
   2. Confirm that each step made sense and was a proper sentence