Filter ABI supertrait methods from contract entry generation

[tritao]

Description

This PR filters out ABI supertrait methods from being considered for contract function entry generation.

Closes #6333.

Tracks SEC-76.

Checklist

• I have linked to any relevant issues.
• I have commented my code, particularly in hard-to-understand areas.
• I have updated the documentation where relevant (API docs, the reference, and the Sway book).
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• I have added tests that prove my fix is effective or that my feature works.
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[IGI-111]

The test suite here merely no longer tests the positive. You need to affirm the negative that the method isn't accessible.

[tritao]

The test suite here merely no longer tests the positive. You need to affirm the negative that the method isn't accessible.

The new test is checking that calling the method reverts at the VM level.