In the SIS import page, adds a "Term:" label to the dropdown that appears
when "This is a full batch update" is checked.
fixes CNVS-36467
Test Plan:
1. In Safari with VoiceOver enabled, navigate to the SIS Import page
2. Check the "This is a full batch update" checkbox
3. Move VO focus to the combo box that appeared
4. Now a "term:" label appears next to the dropdown.
Change-Id: I9f8220efb381a5104e07b1ab1e888c567df36c79
Reviewed-on: https://gerrit.instructure.com/111214
Reviewed-by: Felix Milea-Ciobanu <fmileaciobanu@instructure.com>
Tested-by: Jenkins
QA-Review: David Tan <dtan@instructure.com>
Product-Review: Nathan Rogowski <nathan@instructure.com>