Fix TS errors in ui/shared/grading_scheme

Closes CFA-61
flag=none

Another stop on the way to zero tsc errors in the codebase.

Test plan:
* tsc no longer generates errors in this bundle
* build passes

Change-Id: I4149e62923bcf6e0e9cd85632f191cdfc90f351e
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/347032
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Aaron Shafovaloff <ashafovaloff@instructure.com>
QA-Review: Charley Kline <ckline@instructure.com>
Product-Review: Charley Kline <ckline@instructure.com>

ui/shared/grading_scheme/react/components/view/__tests__/fixtures.ts

@@ -23,6 +23,7 @@ export const MOCK_COURSE_GRADING_SCHEME: GradingScheme = {
   context_id: '5',
   context_name: 'The 5th Course',
   context_type: 'Course',
+  workflow_state: 'active',
   data: [
     {name: 'A', value: 0.9},
     {name: 'B', value: 0.8},
@@ -44,6 +45,7 @@ export const MOCK_DEFAULT_GRADING_SCHEME: GradingScheme = {
   context_name: '',
   permissions: {manage: false},
   assessed_assignment: false,
+  workflow_state: 'active',
   data: [
     {name: 'A', value: 0.9},
     {name: 'B', value: 0.8},

ui/shared/grading_scheme/react/hooks/__tests__/useGradingSchemeUpdate.test.ts

@@ -67,6 +67,7 @@ describe('useGradingSchemeUpdateHook', () => {
       context_name: 'A Course Name',
       context_type: 'Course',
       permissions: {manage: true},
+      workflow_state: 'active',
     }
 
     doFetchApi.mockResolvedValue({
@@ -109,6 +110,7 @@ describe('useGradingSchemeUpdateHook', () => {
       context_name: 'An Account Name',
       context_type: 'Account',
       permissions: {manage: true},
+      workflow_state: 'active',
     }
     doFetchApi.mockResolvedValue({
       response: {ok: true},