use WebDavHelper to set & retrieve custom properties

[individual-it]

Description

do not rely on sabre to set and retrieve custom file properties

Related Issue

part of #34000 and #33690

Motivation and Context

see issue

How Has This Been Tested?

🤖

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

Checklist:

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

Open tasks:

• Backport (if applicable set "backport-request" label and remove when the backport was done)

[codecov]

Codecov Report

Merging #34046 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master   #34046   +/-   ##
=========================================
  Coverage     64.77%   64.77%           
  Complexity    18340    18340           
=========================================
  Files          1198     1198           
  Lines         69420    69420           
  Branches       1276     1276           
=========================================
  Hits          44964    44964           
  Misses        24087    24087           
  Partials        369      369

Flag	Coverage Δ	Complexity Δ
#javascript	53.09% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	66.12% <ø> (ø)	18340 <ø> (ø)	⬇️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #34046 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master   #34046   +/-   ##
=========================================
  Coverage     64.77%   64.77%           
  Complexity    18340    18340           
=========================================
  Files          1198     1198           
  Lines         69420    69420           
  Branches       1276     1276           
=========================================
  Hits          44964    44964           
  Misses        24087    24087           
  Partials        369      369

Flag	Coverage Δ	Complexity Δ
#javascript	53.09% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	66.12% <ø> (ø)	18340 <ø> (ø)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4c9176b...04eee87. Read the comment docs.

[individual-it]

backport in #34048