al workspace compile fails with a "Could not locate alc compiler." error

[salgiza]

1. Describe the bug
al workspace compile returns a "Could not locate alc compiler." error message.

2. To Reproduce
Run "al workspace compile project.code-workspace".

3. Expected behavior
It should compile the workspace.

4. Actual behavior
It throws a "Could not locate alc compiler." error message.

5. Versions:

• AL Tool version: both '17.0.34.45391, '18.0.40.43394-beta' throw the same error.
• Operating System:
  • Windows
  • Linux
  • MacOS

Internal work item: AB#647933