Fix copy attachment upload status handling and failing integration tests

[deepikaSingh2711]

Describe your changes

In this PR

1. Added code changes to fix failing copy and move attachment operations
   Explicitly setting upload status to “Success” when creating draft entries for copy attachment operations, since copied attachments originate from already uploaded source entities
2. Removed explicit wait time logic from integration tests
3. Fixed previously failing / commented-out test cases

Type of change

Please delete options that are not relevant.

• 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 not work as expected)
• This change requires a documentation update

Checklist before requesting a review

• I follow Java Development Guidelines for SAP
• I have tested the functionality on my cloud environment.
• I have provided sufficient automated/ unit tests for the code.
• I have increased or maintained the test coverage.
• I have ran integration tests on my cloud environment.
• I have validated blackduck portal for any vulnerability after my commit.

Upload Screenshots/lists of the scenarios tested

• I have Uploaded Screenshots or added lists of the scenarios tested in description

Single tenant Integration test

https://github.com/cap-java/sdm/actions/runs/23447301753