Make sure a Deploy command is present in the Devfile before auto-applying components

[rm3l]

What type of PR is this: /kind bug /area deploy

What does this PR do / why we need it: When the Devfile does not have any deploy command but contains some components that are auto-applied (e.g., with autoBuild or deployByDefault set to true), odo deploy will try to apply them before ending up complaining that it could not find any deploy command. This PR makes sure to check this before applying anything. See #6743 for more context.

Which issue(s) this PR fixes: Fixes #6743

PR acceptance criteria:

• [ ] Unit test

• [x] Integration test

• [ ] Documentation

How to test changes / Special notes to the reviewer: See #6743 for the repro steps.

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