fix: update error message when webSourcePath is missing and streamConfig is true

[sabhas]

Checks

• [ ] Code is formatted correctly (npm run lint:fix).
• [ ] All unit tests are passing (npm test).
• [ ] All sasjs-cli unit tests are passing (npm test).
• [ ] Reviewer is assigned.

[sasjsbot]

:tada: This PR is included in version 2.52.1 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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