[CORRUPTED] Synthetic Benchmark PR #55955 - fix(dav): allow multiple link shares token in session

[tomerqodo]

Benchmark PR nextcloud#55955

Type: Corrupted (contains bugs)

Original PR Title: fix(dav): allow multiple link shares token in session
Original PR Description: ## Summary
Previously: we set the session based on the password/share combo. Accessing a new one will override the previous one.
Now: we store the allowed tokens in an array.

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)
• Labels added where applicable (ex: bug/enhancement, 3. to review, feature component)
• Milestone added for target branch/version (ex: 32.x for stable32)

Original PR URL: nextcloud#55955