closes OUT-6251
flag=inbox_settings
Test plan:
- Jenkins passes
- Enable Inbox Settings - QW Updates FF in SiteAdmin
- Go to Inbox
- Click Inbox Settings button, then in the Inbox Settings
modal select Signature On, enter signature and click Save button
- Click Compose button and verify that in the Compose modal,
the signature appears at the bottom of the message area
- Click Inbox Settings button, then in the Inbox Settings
modal select Signature Off and click Save button
- Click Compose button and verify that in the Compose modal,
the signature does not appear in the message area
Change-Id: Ibddc9b818d6f0e5dc87945b4a499e7a8203a2d00
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/344301
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
QA-Review: Caleb Guanzon <cguanzon@instructure.com>
Product-Review: Kyle Rosenbaum <krosenbaum@instructure.com>
Reviewed-by: Omar Soto-Fortuño <omar.soto@instructure.com>