[tests-only] [full-ci] Enhance share copy-overwrite test scenarios

[phil-davis]

Description

WIP - first see how these test scenarios go on ocis. Then decide what behavior is desired etc.

Related Issue

New and changed test scenarios from core https://github.com/owncloud/core/pull/40308

How Has This Been Tested?

CI

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Technical debt
• [x] Tests only (no source changes)

Checklist:

• [ ] Code changes
• [ ] Unit tests added
• [ ] Acceptance tests added
• [ ] Documentation ticket raised:

[sonarqubecloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

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0 Security Hotspots
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[micbar]

@phil-davis Still a thing? Or close?