[tests-only][full-ci] Add test for the user who is also a group member having edit permisson can overwrite

[nabim777]

Description

In this PR, there is API test coverage added for issue-8464 where scenarios are:

Scenario: user who is also a member of group overwrite the file shared with them
Scenario: user who is also a member of group overwrite the file shared with them using TUS

Related Issue

• https://github.com/owncloud/ocis/issues/8464

Motivation and Context

How Has This Been Tested?

test environment:

• locally
• CI

Screenshots (if appropriate):

Types of changes

• [x] 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
• [x] Acceptance tests added
• [ ] Documentation ticket raised: