[tests-only][full-ci] test: add spaceId to remoteItem in incoming shares

[anon-pradip]

Description

Add spaceId validation to remoteItem JSON schemas in acceptance tests for incoming shares (sharedWithMe). This covers the change introduced in PR #12024 where spaceId was added to the Graph API response for incoming shares

Related Issue

• Part of: [QA] Add new automated tests #12472

Motivation and Context

How Has This Been Tested?

• test environment:
• Locally
• 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]

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