[stable10] Check if 'mod_rewrite' is enabled

[skshetry]

Backport for stable10 for #35401

[individual-it]

cannot reach github issues in CI, restarting

[phil-davis]

There are currently problems running the unit tests in drone that use fsweb.test.owncloud.com

wait-for-it: waiting 120 seconds for fsweb.test.owncloud.com:445
wait-for-it: timeout occurred after waiting 120 seconds for fsweb.test.owncloud.com:445

No CI can pass until somebody gets that fsweb system running again.

[phil-davis]

Rebased to get good CI

[codecov]

Codecov Report

Merging #35410 into stable10 will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             stable10   #35410   +/-   ##
===========================================
  Coverage       64.68%   64.68%           
  Complexity      20103    20103           
===========================================
  Files            1293     1293           
  Lines           76976    76976           
  Branches         1300     1300           
===========================================
  Hits            49793    49793           
  Misses          26799    26799           
  Partials          384      384

Flag	Coverage Δ	Complexity Δ
#javascript	53.85% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	65.83% <ø> (ø)	20103 <ø> (ø)	⬇️

---

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

Codecov Report

Merging #35410 into stable10 will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             stable10   #35410   +/-   ##
===========================================
  Coverage       64.68%   64.68%           
  Complexity      20103    20103           
===========================================
  Files            1293     1293           
  Lines           76976    76976           
  Branches         1300     1300           
===========================================
  Hits            49793    49793           
  Misses          26799    26799           
  Partials          384      384

Flag	Coverage Δ	Complexity Δ
#javascript	53.85% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	65.83% <ø> (ø)	20103 <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 c374543...36ef7dd. Read the comment docs.