fix(core): fix @angular-devkit/architect not being found

[FrozenPandaz]

Current Behavior

Unable to create an Angular app after creating an empty workspace.

Expected Behavior

Able to create applications after creating an empty workspace

Related Issue(s)

Fixes #4681

[nx-cloud]

Nx Cloud Report

CI ran the following commands for commit 110fa30. Click to see the status, the terminal output, and the build insights.

Status	Command	Start Time
	nx build-base angular	2/3/2021, 12:27:24 AM
	nx build-base express	2/3/2021, 12:27:11 AM
	nx build-base gatsby	2/3/2021, 12:27:44 AM
	nx build-base nest	2/3/2021, 12:27:11 AM
	nx build-base next	2/3/2021, 12:27:44 AM
	nx build-base node	2/3/2021, 12:27:03 AM
	nx build-base react	2/3/2021, 12:27:24 AM
	nx build-base storybook	2/3/2021, 12:27:17 AM
	nx build-base web	2/3/2021, 12:27:11 AM
	nx run-many --target=build --all --parallel	2/3/2021, 12:26:19 AM
	nx run-many --target=e2e --projects=e2e-angular	2/3/2021, 12:28:14 AM
	nx run-many --target=e2e --projects=e2e-cli,e2e-nx-plugin	2/3/2021, 12:26:50 AM
	nx run-many --target=e2e --projects=e2e-cypress,e2e-jest	2/3/2021, 12:26:48 AM
	nx run-many --target=e2e --projects=e2e-next,e2e-gatsby	2/3/2021, 12:26:48 AM
	nx run-many --target=e2e --projects=e2e-node	2/3/2021, 12:26:45 AM
	nx run-many --target=e2e --projects=e2e-react	2/3/2021, 12:26:54 AM
	nx run-many --target=e2e --projects=e2e-web,e2e-linter,e2e-storybook	2/3/2021, 12:26:49 AM
	nx run-many --target=e2e --projects=e2e-workspace	2/3/2021, 12:26:55 AM
	nx run-many --target=lint --all --parallel	2/3/2021, 12:34:39 AM
	nx run-many --target=test --all --parallel	2/3/2021, 12:27:32 AM

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