[tests-only][full-ci] test(collaboration): cover WOPI lock modes

[anon-pradip]

Description

This PR adds acceptance test coverage for #12257:

• Add acceptance coverage for WOPI LOCK requests after app-open.
• Verify 200 OK for view/write modes, Viewer sharees, Space Viewers, and public-link Viewers.
• Add public app-open support using the public-link token.

Related Issue

Part of: #12472

Motivation and Context

How Has This Been Tested?

• test environment:
• Locally and CI

Screenshots (if appropriate):

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
• Tests only (no source changes)

Checklist:

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

[kw-security]

✅ Snyk checks have passed. No issues have been found so far.

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✅	Licenses	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues

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[anon-pradip]

WOPI LOCK request: X-WOPI-Override selects the operation, X-WOPI-Lock carries the lock ID (any non-empty value works - only the status code is asserted).