* Chore: Removes strict null checks in ReducerTester * Chore: Fixes strict null errors in ConfigureStore * Chore: Fixes strict null errors in reducer tests * Chore: Fixes strict null errors in reducers tests * Chore: Fixes strict null errors in reducers tests * Chore: Fixes strict null errors in toggleLogActionsMiddleware * Chore: Fixes strict null errors in navModelReducer * Core: Fixes strict null errors in public/app/features/admin/state * Chore: Fixes strict null errors in public/app/features/dashboard/state/reducers.test.ts * Chore: Fixes strict null errors in public/app/features/explore/state/reducers.test.ts * Chore: Fixes strict null errors in public/app/features/datasources/state/reducers.test.ts * Chore: Fixes strict null errors in public/e2e-test/scenarios/templating/templatevariables-crud.test.ts * Chore: Fixes strict null errors in public/app/features/dashboard/containers/DashboardPage.test.tsx
